LIST OF PRODUCT MANUALS
Given below is a detailed listing of the manuals written by us. It is supplied free of cost along with the equipment. Spare copies may be ordered from us at cost of Rs 2500/- each plus shipping and handling| Sr No | Manual Name |
| A | Special Products |
| 1 | Earth Motion Recorder |
| 2 | Chart Stepper For Earth Motion Recorder |
| 3 | Time Code Generator |
| 4 | Laser Range Finder |
| 5 | Thermal Imager |
| 6 | High Voltage Reg Power Supply |
| 7 | Power Supply Protector |
| 8 | Teletext Decoder |
| 9 | CTV Picture Tube Parameter Tester |
| 10 | CTV Picture Tube Life Tester |
| 11 | Custom made Power Supplies |
| B | DC POWER SUPPLIES |
| 12 | IC Power Supplies (5V, Various models cover 1A to 50 A) |
| 13 | Laboratory Power Supplies ((0-30V, Various models cover 1A to 20 A) |
| 14 | Modular Power Supplyies (Fixed output or combination of outputs, upto 250 W) |
| 15 | Medium Voltage Power Supplies (upto 300 V, in various models upto 200 mA) |
| 16 | High Voltage Power Supplies (upto 3000 V, in various models upto 30mA) |
| 17 | Custom Built Power Supplies (Dept of Space-all kinds of requirements) |
| C | TEST & MEASURING INSTRUMENTS |
| 18 to 21 | Frequency Counter/Timer (4 Models: 1 MHz, 10 MHz, 100 MHz, 1 GHZ) |
| 22 | Linear IC Tester Model 209 Model FC 548 |
| 23 | Logic Probe Model LP-210T/C |
| 24 | Logic Pulser Model LP-212T/C |
| 25 | Noise Generator Model NG-818 |
| 26 to 29 | Function Generator ( 6 Models from 100Kz, 1 MHz, 10 MHz, 20 MHZ) |
| 30 | Function Generator(Variable Phase) for Control Lab Model FG 812 |
| 31 | All-in-One L,C.R,Q, Meter, Transistor Tester, Transistor Curve Tracer Model CT 350 |
| 32 | Digital Mutimeter (3 Models:3-1/2, 4-1/2 Digits and one with f & C measurement) |
| 33 | Relay output board model TM-23 |
| 34 | Digital Wattmeter model TM-01 |
| 35 | Sound Level Meter model TM-02 |
| 36 | Flight Tilt Indicator model TM-03 |
| D | ELECTRONICS WORKSHOP LAB |
| 37 | PCB Design Kit |
| 38 | PCB Illuminated Work Station |
| 39 | PCB Consumeables Kit |
| 40 | PCB Bromographer Model 708 |
| 41 | PCB Etching Machine Model 567 |
| 42 | PCB Inspection Station |
| 43 | PCB Drilling Station Model 120 |
| 44 | Transformer Winding Set up Model 132 |
| E | BASIC ELECTRONICS LAB |
| 45 | Learning Kit Model BE 707 |
| 46 | Discrete Component Trainer Model BE-2901E |
| 47 | Basic Electronic Trainer Model BE-7081E |
| 48 | RLC LED-Panel Model BE P1 |
| 49 | Magnetic Devices & Circuits-Panel Model BE P2 |
| 50 | Thermistor Characteristics-Panel Model BE P3 |
| 51 | LDR Characteristics-Panel Model BE P4 |
| 52 | Power Supply Trainer-Panel ModelBE P5 |
| 53 | Regulated Power Supply Trainer Model BE P6 |
| 54 | Basic Electronics-Panel Model BE7 |
| 55 | Rectifier Filter Regulator-Panel Model BE 8 |
| 56 | Op-Amp -Panel Model BE 9 |
| 57 | Gates Panel Model BE10 |
| 58 | Transistor FET & UJT-Panel Model BE11 |
| 59 | SCR Diac Triac-Panel Model BE 12 |
| 60 | Main Unit (2 Digital Meters,(2 Analog Meters,2 Bread Boards, supporting peripheral) Model BE-02 |
| 61 | Advanced Analog System(3 Bread Board,2 Digital Meters, 12''x14'') Model BE-03 |
| 62 | Study of Deflection Instrument( 14''x10'',2 Analog Meters) Model BE-04 |
| F | TRAINING BOARDS |
| F1 | THEOREMS |
| 63 | Network Theorems Model BE-01 |
| 64 | Maximum Power Transfer Theorem Model BE-02 |
| 65 | R-C Circuits & Time Constant Model BE-03 |
| 66 | R-C & L-C Circuits & their applications Model BE-04 |
| 67 | Series Resonance Model BE-05 |
| 68 | Parallel Resonance Model BE-06 |
| 69 | Transient Response of second order Network Model BE-07 |
| 70 | Lissajous Measurements on CRO Model BE-08 |
| 71 | Potential divider biasing circuits Model BE-09 |
| F2 | DEVICE CHARACTERISTICS |
| 72 | Zener diode characteristics Model DC-01 |
| 73 | Common Base transistor characteristics. Model DC-02 |
| 74 | Common Emitter transistor characteristics Model DC-03 |
| 75 | JFET characteristics Model DC-04 |
| 76 | UJT characteristics Model DC-05 |
| 77 | SCR/Triac characteristics Model DC-06 |
| 78 | Varactor Diode characteristics Model DC-07 |
| 79 | Diac Characteristics Model DC-08 |
| 80 | Characteristics Apparatus Model DC-09 |
| 81 | LED diode characteristics Model DC-10 |
| F3 | POWER ELECTRONICS |
| 82 | Single Phase Control (RC based) using SCR and Triac Model PE-01 |
| 83 | Single Phase Control (RC&UJT based) using SCR and Triac Model PE-02 |
| 84 | SCR triggering circuit using LDR Model PE-03 |
| 85 | UJT firing circuit for SCR Model PE-04 |
| 86 | UJT controlled SCR time delay circuit Model PE-05 |
| 87 | Single phase bridge rectifier using SCR Model PE-06 |
| 88 | Lamp Intensity Control using SCR and Triac (Lamp Dimmer).Model PE-07 |
| 89 | Motor Speed Control using SCR and Triac Model PE-08 |
| 90 | Three Phase SCR controlled Rectifier Model PE-09 |
| 91 | Fan Regulator using Diac & Triac Model PE-10 |
| 92 | UJT Fired SCR Phase Control Model PE-11 |
| F4 | POWER SUPPLY |
| 93 | Rectifier Circuits, including HW, FW and Bridge Model PS-01 |
| 94 | Stabilized power supply using zener diode & emitter follower pass transistor. Model PS-02 |
| 95 | Filter Circuits, including Capacitor Filter,Inductor Filter, L Section Filter and P Filter. Model PS-03 |
| 96 | Emitter Follower/Shunt Regulated Power Supplies Model PS-04 |
| 97 | Series Regulated transistorised Power Supplies Model PS-05 |
| 98 | Variable voltage IC Regulated Power Supplies Model PS-06 |
| 99 | Switched Mode Power Supply. Model PS-07 |
| 100 | Voltage Multipliers (Doubler, Tripler and Quadrupler) Model PS-08 |
| 101 | Low voltage regulated power supply using IC723%fold back current limiting Regulator Model PS-09 |
| 102 | Power supply tutor (PSUI) Model PS-10 |
| F5 | OSCILLATORS & MULTIVIBRATORS |
| 103 | Wein Bridge oscillator (transistorised Model OM-01 |
| 104 | R-C Oscillator (Wein Bridge & Phase Shift) Model OM-02 |
| 105 | Wein Bridge oscillator (IC version) Model OM-03 |
| 106 | Hartley's oscillator Model OM-04 |
| 107 | Colpitt's oscillator Model OM-05 |
| 108 | Crystal oscillator Model OM-06 |
| 109 | Phase shift oscillator Model OM-07 |
| 110 | Twin -T oscillator Model OM-08 |
| 111 | Monostable, Astable and Bistable multivibrator Model OM-09 |
| 112 | Option 1: Monostable Multivibrator |
| 113 | Option 2: Astable Multivibrator Only |
| 114 | Option 3: Bistable Multivibrator Only |
| 115 | Multivibrator using operational amplifiers Model OM-10 |
| 116 | Multivibrators using digital IC’s Model OM-11 |
| 117 | Multivibrators using IC-555 timer Model OM-12 |
| 118 | Schmitt Trigger (Transistor) Model OM-13 |
| 119 | OP-AMP as a Schmitt Trigger Model OM-14 |
| 120 | Voltage Controlled Oscillator Model OM-15 |
| 121 | Transistorized Multivibrator Model OM-16 |
| 122 | UJT Relaxation Oscillator Model OM-17 |
| F6 | AMPLIFIER CIRCUITS |
| 123 | Transistor biasing circuits: fixed bias & emitter resistor bias Model AP-01 |
| 124 | Biasing circuits : collector to base bias Model AP-02 |
| 125 | Biasing circuits : voltage divider bias Model AP-03 |
| 126 | Thermal stability of Transistors (considerations of biasing methods) Model AP-04 |
| 127 | Single stage amplifier Model AP-05 |
| 128 | R-C coupled two stage amplifier Model AP-06 |
| 129 | Voltage and current feedback amplifier. Model AP-07 |
| 130 | Single ended power amplifier Model AP-08 |
| 131 | Push Pull power Amplifier Model AP-09 |
| 132 | Complementary symmetry output amplifier Model AP-10 |
| 133 | Option 1: BJT, JFET and MOSFET Based |
| 134 | Option2: BJT Only |
| 135 | Option 3: JFET Based Only |
| 136 | Option 4: MOSFET Based Only |
| 137 | Tuned (narrow band) amplifier Model AP-11 |
| 138 | Wide band amplifier. Model AP-12 |
| 139 | Differential ampifier Model AP-13 |
| 140 | FET amplifier Model AP-14 |
| 141 | Emitter Follower/Shunt Regulated Power Supplies Model AP-15 |
| 142 | Transformer coupled amplifier Model AP-16 |
| 143 | IC operational amplifier including inverting, non inverting amplifier, voltage follower, summer Model AP-17 |
| 144 | Option 1: IC operational amplifier including inverting, non |
| 145 | Option 2: IC operational amplifier including inverting, non |
| 146 | Option 3: IC operational amplifier including voltage |
| 147 | Option 4: IC operational amplifier including summer only |
| 148 | Audio amplifier using LM380. Model AP-18 |
| 149 | Determination of h-parameter of transistor. Model AP-19 |
| 150 | Push Pull Class A, AB, B and C Power Amplifier Model AP-20 |
| 151 | Option 1: Includes Class A, AB, B, and C Amplifier |
| 152 | Option 2: Includes Class A only |
| 153 | Option 3: Includes Class AB & B only |
| 154 | Option 4: Includes Class C only |
| 155 | Boot Strap Voltage sweep Model AP-21 |
| 156 | Option 1: BJT, JFET Op Amp based |
| 157 | Option 2: BJT based only |
| 158 | Option 3: JFET Based Only |
| 159 | Option 4: Op Amp based only |
| 160 | Transistor curve tracer Model AP-22 |
| 161 | Transistor time delay relay circuit. Model AP-23 |
| 162 | Transistor Amplifier Demonstrator Model AP-24 |
| 163 | Common Base Amplifier Model AP-25 |
| F7 | WAVEFORM GENERATORS |
| 164 | Sawtooth Generator using 555. Model WG-01 |
| 165 | OP-AMP as a Sawtooth generator Model WG-02 |
| 166 | Four decade square wave generator using 741 Model WG-03 |
| 167 | Pulse generator with true & complementary O/P. Model WG-04 |
| 168 | Op. Amp Triangle wave generator. Model WG-05 |
| 169 | Op. Amp Ramp generator. Model WG-06 |
| 170 | Single fixed amplitude sine / square / triangle generator Model WG-07 |
| 171 | Staircase generator Model WG-08 |
| 172 | Boot strap circuit Model WG-09 |
| F8 | DIGITAL ELCTRONICS |
| 173 | Basic Logic Gates (OR, AND, NOR, NAND & NOT) Model DE-01 |
| 174 | Exclusive-OR & Exclusive - NOR gates, Half – adder & Full adder, half - substractor & full – substractor. Model DE-02 |
| 175 | R – S Flip Flops Model DE-03 |
| 176 | Quadruple J - K flip flop with preset and clear Model DE-04 |
| 177 | Master slave flip flop using NAND gates Model DE-05 |
| 178 | Decimal to Binary encoder Model DE-06 |
| 179 | NAND gate encoder. Model DE-07 |
| 180 | BCD to 7 – segment decoder Model DE-08 |
| 181 | Decade Counter, decoder driver & 7 segment display. Model DE-09 |
| 182 | Decoder & Encoder Model DE-10 |
| 183 | Divided by 'N' counter using 7442 Model DE-11 |
| 184 | Line to 1 line multiplexer. Model DE-12 |
| 185 | 4 line to 16 line demultiplexer Model DE-13 |
| 186 | Characteristics of CMOS IC's. Model DE-14 |
| 187 | Interfacing CMOS to TTL & TTL to CMOS IC's. Model DE-15 |
| 188 | 4 Bit binary full adder & substractor. Model DE-16 |
| 189 | 4 Bit binary full adder with fast carry 7483 Model DE-17 |
| 190 | 4 Bit binary up-down counter (Synchronous counter) Model DE-18 |
| 191 | 4 Bit Counter using 4 JK Flip Flops Model DE-19 |
| 192 | Read only memory (ROM) Model DE-20 |
| 193 | Tristate Buffers. Model DE-21 |
| 194 | Binary Multiplier Model DE-22 |
| 195 | Analog to Digital converter Model DE-23 |
| 196 | Digital to Analog converter Model DE-24 |
| 197 | 555 Timer circuit and applications. Model DE-25 |
| 198 | Left/Right Shift register. Model DE-26 |
| 199 | Arithmatic logic unit function generator 74181 Model DE-27 |
| 200 | Study of counter 7490/7492/7493 Model DE-28 |
| 201 | 4 line to 16 line decoder/demultiplexer Model DE-29 |
| 202 | 16Line to 1 Line Data selector/Multiplexe Model DE-30 |
| F9 | OPERATIONAL AMPLIFIER |
| 203 | Operational Amplifiers ; Characteristics. Model OA-01 |
| 204 | Voltage Follower. Model OA-02 |
| 205 | Summer, Subtractor, Differentiator & Integrator using Op. Amps Model OA-03 |
| 206 | Voltage to frequency converter Model OA-04 |
| 207 | Frequency to voltage converter. Model OA-05 |
| 208 | Log & Antilog Amplifier Model OA-06 |
| 209 | Option 1: Log & Antilog Amplifier |
| 210 | Option 2: Log Amplifier only |
| 211 | Option 3: Antilog Amplifier only |
| 212 | Sample & Hold circuit. Model OA-07 |
| 213 | Clipping Circuits using Op. Amps Model OA-08 |
| F10 | ACTIVE FILTERS |
| 214 | Single Feedback based Low Pass Filter. Model AF-01 |
| 215 | Single Feedback based Band Pass Filter. Model AF-02 |
| 216 | Single Feedback based High Pass Filter Model AF-03 |
| 217 | Multiple Feedback based Low Pass Filter. Model AF-04 |
| 218 | Multiple Feedback based High Pass Filter. Model AF-05 |
| 219 | Multiple Feedback based Band Pass Filter. Model AF-06 |
| 220 | Controlled Source based Low Pass Filter. Model AF-07 |
| 221 | Controlled Source based High Pass Filter. Model AF-08 |
| 222 | Controlled Source based Band Pass Filter. Model AF-09 |
| 223 | INIC based Low Pass Filter. Model AF-10 |
| 224 | INIC based Band Pass Filter Model AF-12 |
| F11 | PASSIVE FILTERS |
| 225 | Crystal Filters. Model PF-01 |
| 226 | Low pass, High pass filters(RC based), both active & passive. Model PF-02 |
| 227 | Low pass prototype filter Model PF-03 |
| 228 | Low pass m-derived filter. Model PF-04 |
| 229 | Low pass terminating half sections. Model PF-05 |
| 230 | High pass prototype filter. Model PF-06 |
| 231 | High pass m-derived filter. Model PF-07 |
| 232 | High pass terminating half section. Model PF-08 |
| 233 | Prototype band pass filter. Model PF-09 |
| 234 | Prototype band reject filter Model PF-10 |
| 235 | M - derived band pass filter. Model PF-11 |
| 236 | M - derived band reject filter. Model PF-12 |
| F12 | NETWORK TRANSMISSION |
| 237 | Clipping Circuits, including series, shunt and zener clippers, Both +ve and -ve types Model TL-01 |
| 238 | Clamping Circuits. Model TL-02 |
| 239 | Differentiating and integrating circuits, both active & passive Model TL-03 |
| 240 | Series & Parallel resonant circuits. Model TL-04 |
| 241 | Network Theorems training board Model TL-05 |
| G | LINEAR CIRCUIT LAB |
| 242 | Linear Circuit Trainer Model LC-2941A |
| 243 | Phase Locked Loop (PLL) Trainer Model LC-01 |
| G1 | ANALOG COMPUTERS |
| 244 | Analog Computers Models AC-1160 |
| 245 | Analog Computers Models AC-700 |
| G2 | PROFESSIONAL COMPUTER |
| 246 | Professional Mainframe Model-1160 |
| 247 | Series of Computing Plug-ins Model PC-1200 |
| 248 | Dual Amplifier Model PC-1201A |
| 249 | Dual Amplifier Model PC-1201B |
| 250 | Dual Amplifier Model PC-1202A |
| 251 | Dual Amplifier Model PC-1202B |
| 252 | Dual Integrator Model PC-1210A |
| 253 | Dual Integrator Model PC-1210B |
| 254 | Multiplier Model PC-1215 |
| 255 | Multiplier Model PC-1216 |
| 256 | Dual square Function Generator Model PC-1245 |
| 257 | Dual square Function Generator Model PC-1246 |
| 258 | Memory Units Model PC-1250 |
| 259 | Memory Units Model PC-1251 |
| 260 | Logic Blocks Model PC-1255 |
| 261 | Logic Blocks Model PC-1256 |
| 262 | Logic Blocks Model PC-1257 |
| 263 | Logic Blocks Model PC-1258 |
| 264 | Controlled Integrator Model PC-1211 |
| 265 | Electronic Switch Model PC-1225 |
| 266 | Electronic Switch Model PC-1226 |
| 267 | Dual Variable Function Generator Model PC-1230 |
| 268 | Dual Variable Function Generator Model PC-1231 |
| 269 | Dual Variable Function Generator Model PC-1232 |
| 270 | Dual Variable Function Generator Model PC-1233 |
| 271 | Dual Attenuator Model PC-1240 |
| 272 | Dual Attenuator Model PC-1241 |
| G3 | OPERATIONAL AMPLIFIER |
| 274 | Operational Amplifier Trainer Model OA-01 |
| 275 | Voltage Follower. Model OA-02 |
| 276 | Differential & Integrator using operational amplifier Model OA-03 |
| 277 | Voltage to frequency converter Model OA-04 |
| 278 | Frequency to voltage converter. Model OA-05 |
| 279 | Log & Antilog Amplifier Model OA-06 |
| 280 | Sample & Hold circuit. Model OA-07 |
| 281 | Clipping & Clamping Model OA-08 |
| H | INSTRUMENTS & PROCESS CONTROL |
| 282 | Instrumentation Trainer Model 890 |
| 283 | Process Simulator Model 2709 |
| 284 | PID Controller Trainer Model - 8972 |
| 285 | Process Trainer Model 2909 |
| 286 | Thermal Trainer Model 890018 |
| 287 | Angular Displacement Trainer Model 890027 |
| 288 | Linear Displacement Trainer Model 890036 |
| 289 | Optical Device Trainer Model 890045 |
| 290 | Strain Measurement Trainer Model 890054 |
| 291 | Rotational Speed Measurement Trainer Model 890063 |
| 292 | System Input / Output Unit Model IP-01 |
| 293 | Modular Instrumentation Trainer Model IP-02 (COMPREHENSIVE) |
| I | DIGITAL ELECTRONICS LAB |
| 294 | Basic logic Gates (OR, AND, NOR, NAND & NOT) Model DE-01 |
| 295 | Exclusive-OR & Exclusive - NOR gates, Half – adder & Full adder, half - substractor & full – substractor. Model DE-02 |
| 296 | R-S Flip Flops Model DE-03 |
| 297 | Quadruple J - K flip flop with preset and clear Model DE-04 |
| 298 | Master slave flip flop using NAND gates Model DE-05 |
| 299 | Decimal to Binary encoder Model DE-06 |
| 300 | Nand gate encoder. Model DE-07 |
| 301 | BCD to 7 – segment decoder Model DE-08 |
| 302 | Decade Counter, decoder driver & 7 segment display. Model DE-09 |
| 303 | Decoder & Encoder Model DE-10 |
| 304 | Divided by 'N' counter using 7442 Model DE-11 |
| 305 | 16 Line to 1 line multiplexer Model DE-12 |
| 306 | 4 line to 16 line demultiplexer Model DE-13 |
| 307 | Characterstics of CMOS IC,s Model DE-14 |
| 308 | Interfacing CMOS to TTL & TTL to CMOS IC's. Model DE-15 |
| 309 | 4Bit binary full adder subtracter Model DE-16 |
| 310 | 4 bit binary full adder with fast carry 7483 Model DE-17 |
| 311 | 4 Bit binary up-down counter (Synchronous counter) Model DE-18 |
| 312 | 4 bit binary using JK Flip Flop-added Model DE-19 |
| 313 | Random access memory ModelDE-20 |
| 314 | 20 Read only memory Model DE-21 |
| 315 | Tristate Buffers. Model DE-22 |
| 316 | Binary multiplier Model DE-23 |
| 317 | Analog to Digital converter Model DE-24 |
| J | COMMUNICATION LAB |
| 318 | Amplitude Modulator/Demodulator with Spectrum Analyzer Model CE-01 |
| 319 | AM Mod/Demod including DSB,SSB,SC,ASK,PSK Model CE-02 |
| 320 | Amplitude Modulation Diode Detector Training Board Model CE-03 |
| 321 | AM Transmitter & Receiver DSB / SSB Model CE-04 |
| 322 | AM Radio System (AM Rx & Tx) Model CE-05 |
| 323 | Frequency Modulator/Demodulator with Spectrum Analyzer Model CE-06 |
| 324 | Frequency Modulator (VCO Type) Training Board Model CE-07 |
| 325 | FM Modulator (Sinusoidal Carrier) Model CE-08 |
| 326 | FM Demodulator (Ratio type) Training Board Model CE-09 |
| 327 | FM Demodulator (Foster Seely Type) Training Board Model CE-10 |
| 328 | FM Demodulator (Quadrature Type) Model CE-11 |
| 329 | FM Demodulator(PLL-Based) Model CE-12 |
| 330 | FM Radio System (FM Rx & Tx) Model CE-13 |
| 331 | FSK Modulator (VCO TYPE ) Model CE-14 |
| 332 | FSK Demodulator (PLL BASED ) Model CE-15 |
| 333 | Frequency Shift Keying (FSK) Modulator & Demodulator Model CE-16 |
| 334 | Phase Shift Keying (PSK) Modulator & Demodulator Model CE-17 |
| 335 | Binary Phase Shift Keying (BPSK) Model CE-18 |
| 336 | AGC & Delayed AGC Model CE-19 |
| 337 | Balanced Modulator Model CE-20 |
| 338 | PAM Modulator / Demodulator Model CE-21 |
| 339 | Pulse Width Modulation(PWM) Model CE-22 |
| 340 | Pulse Position Modulator / Demodulator (PPM) Model CE-23 |
| 341 | PAM/PWM/PPM Modulator/Demodulator Model CE-24 |
| 342 | PAM/PWM/PPM Modulation/Démodulation Trainer Model RT 2110 Model CE-RT2110 |
| 343 | Pulse Code Modulator / Demodulator Model CE-25 |
| 344 | Delta/Sigma Delta Modulation/Demodulation Model CE-26 |
| 345 | Waveform Synthesiser cum Analyser (Fourier Analyser) Model CE-27 |
| 346 | Sampling & Time Division Multiplexing / Demultiplexing / Signal Reconstruction Model CE-28 |
| 347 | Transmission Line Trainer(Co-Axial/Time Domain study) Model CE-29 |
| 348 | Transmission Line Trainer( Lumped parameter/Frequency Domain Study) Model CE-30 |
| 349 | Error Probability Trainer Model CE-31 |
| 350 | Passive RC Filters Model CE-32 |
| 351 | Passive LC Filters Model CE-33 |
| 352 | Active RC Filters Model CE-34 |
| 353 | Filter Module (Low pass T-Based) Model CE-35 |
| 354 | Noise cum Signal mixture Generator Model CE-36 |
| 355 | Pre Emphasis & De emphasis Model CE-37 |
| 356 | Synchronous Modulation Demodulation Model CE-38 |
| 357 | Spectral Analysis of AM<FM Model CE-39 |
| 358 | Direct Sequence Spread Spectrum Model CE-40 |
| 359 | Frequency Hopping Spread Spectrum Model CE-41 |
| 360 | QAM TRAINER Model CE-42 |
| 361 | TDM Pulse Amplitude Modulation/Demodulation Trainer Model RT 2102 |
| 362 | TDM Pulse Code Modulation / Transmitter Trainer Model RT 2103 |
| 363 | TDM Carrier Demodulation and Data Reformatting Receiver Trainer Model RT 2107 |
| 364 | TDM Audio Input Module Model RT 2108 |
| 365 | TDM Audio Output Module Model RT 2109 |
| 366 | TDM Adaptive Delta & Sigma Delta Modulation/Demodulation Trainer Model RT 2105 |
| 367 | TDM Sampling & Re-Constructional Trainer RT 2101 |
| K | FIBRE OPTICS LAB |
| 368 | Lo Cost, Fibre Optics Trainer Model 7100 |
| 369 | Fibre Optic Component & Tool Set Model 7110 |
| 370 | Fibre Optic Trainer Model 7120 |
| 371 | Fibre Optic Trainer Model 7130 |
| 372 | Fibre Optic Trainer Model 7140 |
| L | RADIO/TV LAB |
| 373 | Color TV Trainer Model 71 |
| 374 | B&W TV Trainer Model 17 |
| 375 | Telephone Instrument Trainer Model 78 |
| 376 | EPABX Trainer Model 34 |
| M | MICROWAVE LAB |
| 378 | Basic Klystron based Microwave Bench, Consisting of Klystron Power Supply-KLST-02, Klystron Oscillator-KLST-01, Isolator-ISO-CL-02, Frequency Meter-FM-01, Variable Attenuator-ATT-01, Slotted line section-SLT-SEC-01, Tunable Probe-SLT-SEC-02, Detector Mount-DTCR-01, VSWR Meter-INST-02 and Standard Accessories.Model KBMB-01 |
| 379 | Basic Gunn Based Microwave Bench, Consisting of Gunn Power Supply-GUN-02, Gunn Oscillator-GUN-01, Isolator-ISO-CL-02, Frequency Meter-FM-01, Variable Attenuator-ATT-01, Slotted line section-SLT-SEC-01, Tunable Probe-SLT-SEC-02, Detector Mount--DTCR-01, VSWR Meter-INST-02 and Standard Accessories.Model GBMB-02 |
| 380 | Basic Klystron cum Gunn Based Microwave Bench, Consisting of Klystron Power Supply-KLST-02, Klystron Oscillator-KLST-01, Gunn Power Supply-GUN-02, Gunn Oscillator-GUN-01, Isolator-ISO-CL-02, Frequency Meter-FM-01, Variable Attenuator-ATT-01, Slotted line section-SLT-SEC-01, Tunable Probe-SLT-SEC-02, Detector Mount-DTCR-01, VSWR Meter-INST-02 and Standard Accessories.Model KGBM-03 |
| 381 | 4. Basic Antenna Radiation Pattern Set, Consisting of Mechanical Radiation Turn Table-ANT-TT-01, Klystron Oscillator-KLST-01, Klystron Power Supply-KLST-02, Diode Detector Mount-DTCR-01 and 2 nos of Pyramidal Antenna-ANT - 05 along with Accessories.Model APR-04 |
| N | KLYSTRON RELATED |
| 382 | Klystron Oscillator Mount, including Klystron Tube Model KLST-01 |
| 383 | Klystron Power Supply, Digital Model KLST-02 |
| 384 | Klystron Power Supply, Analog Model KLST-03 |
| 385 | Klystron Tube Model KLST-04 |
| 386 | Klystron Cooling Fan Model KLST-05 |
| N1 | GUNN RELATED |
| 387 | Gunn Oscillator, including Diode Model GUN-01 |
| 388 | Gunn Power Supply Digital Model GUN-02 |
| 389 | Gunn Power Supply Analog Model GUN-03 |
| N2 | ISOLATOR/CIRCULATOR |
| 390 | Pin Modulator Model GUN-04 |
| 391 | Circulator Model ISO-CL-01 |
| 392 | Zener diode characteristics Model DC-02 |
| 393 | Attenuator:Variable 20 dB Model ATT-01 |
| 394 | Attenuator: Fixed 20 dB Model ATT-02 |
| 395 | Attenuator: Fixed 10 dB Model ATT-03 |
| N3 | FREQUENCY METERS |
| 396 | Frequency Meter Direct Reading Digital Model FM-01 |
| 397 | Frequency Meter Direct Reading Analog Model FM-02 |
| 398 | Frequency Meter Micrometer Type Model FM-03 |
| N4 | VSLOTTED SECTION |
| 399 | Slotted Section Model SLT-SEC-01 |
| 400 | Tunable Probe Model SLT-SEC-02 |
| N5 | AG SHORTS |
| 401 | Short: Fixed Model SHRT-01 |
| 402 | Short: Movable Model SHRT-02 |
| 403 | Short: Precision Movable Model SHRT-03 |
| N6 | TERMINATION |
| 404 | Termination: Sliding Precision Model TERM-01 |
| 405 | Termination: Matched Model TERM-02 |
| N7 | DETECTOR |
| 406 | Detector Mount Model DTCR-01 |
| N8 | ANTENNAS |
| 407 | Antenna: Dielectric Model-ANT-01 |
| 408 | Antenna: E Sector Horn Model-ANT-02 |
| 409 | Antenna: H Sector Horn Model-ANT-03 |
| 410 | Antenna: Pickup Horn Model-ANT-04 |
| 411 | Antenna: Pyramid -16 dB Horn Model-ANT-05 |
| 412 | Antenna: Pyramid -22 dB Horn Model-ANT-06 |
| 413 | Antenna: Standard Horn Model-ANT-07 |
| 414 | Antenna: Parabolic Antenna 8" Model-ANT-08 |
| 415 | Antenna: Slotted Ant Broad Wall Model-ANT-09 |
| 416 | Antenna: Slotted Ant. Narrow Wall Model-ANT-10 |
| 417 | Antenna: Conical Model-ANT-11 |
| N9 | TUNER |
| 418 | Tuner : EH Model TUNR-01 |
| 419 | Tuner: EH Tuner Precision Model TUNR-02 |
| 420 | Tuner: SS Tuner Model TUNR-03 |
| 462 | Longitudinal Wave Demonstrator Model PL-09 |
| 463 | Transverse Wave Demonstrator Model PL-10 |
| 464 | Laser Diode with Power Supply Model PL11 |
| Q | NON CONVENTIONAL ENERGY |
| 465 | Basic Hydrogen Fuel Cell Apparatus Model NCE-01 |
| 466 | Methanol Fuel Cell (MFC) Apparatus Model NCE-02 |
| 467 | Enhanced Hydrogen Fuel Cell (HFC) Apparatus |
| 468 | Solar House |
| R | ELECTRICAL ENGG |
| 469 | Motor Connection And Motor Starting Kits Model EE-01 |
| 470 | Kit to demonstrate the Role Played by Relays in Controlling And regulating the operation of Motors Model EE-02 |
| 471 | Demonstration Board for Protective Circuits Model EE-03 |
| 472 | Grounding Protection Circuit Model EE-04 |
| 473 | Motor Relay Kit Model EE-05 |
| S | ELECTRICAL HOUSE WIRING |
| 474 | Electrical House Wiring Model EHW-01 |
| 475 | Kits for basic installation training on Model EHW-02 |
| 476 | Wire Types Model EHW-02a |
| 477 | Wire Soldering Model EHW-02b |
| 478 | On switch, one lamp Model EHW-02c |
| 479 | Lamp with Two Switches Model EHW-02d |
| 480 | Lamp with Three Switches Model EHW-02e |
| 481 | Connection of Outlets Model EHW-02f |
| 482 | Wire Codes & Regulations Model EHW-02g |
| 483 | Alarm Systems Model EHW-02h |
| 484 | Protection Devices Model EHW-02i |
| 485 | Grounding & Protection Circuits Model EHW-02j |
| 486 | Connection of Service Entrance Model EHW-02k |
| 487 | Measurement of W, VA, VAR, VAhr, VARhr Model EHW-02l |
| 488 | Measurement of current and voltage. Model EHW-02m |
| 489 | Use of Megger/ Insulation Tester Model EHW-02n |
| 490 | Use of Clamp Meter Model EHW-02o |
| 491 | Use of conduits Model EHW-02p |
| W | APPLIED MECHANICS |
| 491 | Free and Forced Vibration Apparature Model FC-01 |
| 492 | Whirling apparatus Model FC-02 |
| 493 | Flywheel Apparatus Model FC-03 |
| 494 | Belt Friction Apparatus Model FC-04 |
| 495 | Cam Follower Model FC-05 |
| 496 | Four Bar Chain Model FC- 06 |
| 497 | Funicular and Polygon Apparatus Modek FC-07 |
| 498 | Rolling Disc on Inclined Plane Model FC-08 |
| 499 | Forces on Beam Apparatus Model FC-09 |
| 500 | Coriolis Force Apparatus |
| 501 to 600 approx |
MISCELLANEOUS PRODUCTS Many more products were made, some were not produced or produced but not sold-such as Morse Code Reader, Morse Code Sender, Bugs for RAW, Ultrasonic Dental Scaler, Automatic wiring Harness Tester, Insulation Breakdown Tester and so on. Many were variations on or similar products but needed the full gamut of product design process from circuit design onwards. |
DETAILED LIST OF PRODUCTS
Given below is a detailed listing of the 500+ products developed over the years.(Does not include about 50 products which were made but not produced)
| Sr No | Manual Name |
| A | Special Products |
| 1 | Earth Motion Recorder |
| 2 | Chart Stepper For Earth Motion Recorder |
| 3 | Time Code Generator |
| 4 | Laser Range Finder |
| 5 | Thermal Imager |
| 6 | High Voltage Reg Power Supply |
| 7 | Power Supply Protector |
| 8 | Teletext Decoder |
| 9 | CTV Picture Tube Parameter Tester |
| 10 | CTV Picture Tube Life Tester |
| 11 | Custom made Power Supplies |
| B | DC POWER SUPPLIES |
| 12 | IC Power Supplies (5V, Various models cover 1A to 50 A) |
| 13 | Laboratory Power Supplies ((0-30V, Various models cover 1A to 20 A) |
| 14 | Modular Power Supplyies (Fixed output or combination of outputs, upto 250 W) |
| 15 | Medium Voltage Power Supplies (upto 300 V, in various models upto 200 mA) |
| 16 | High Voltage Power Supplies (upto 3000 V, in various models upto 30mA) |
| 17 | Custom Built Power Supplies (Dept of Space-all kinds of requirements) |
| C | TEST & MEASURING INSTRUMENTS |
| 18 to 21 | Frequency Counter/Timer (4 Models: 1 MHz, 10 MHz, 100 MHz, 1 GHZ) |
| 22 | Linear IC Tester Model 209 Model FC 548 |
| 23 | Logic Probe Model LP-210T/C |
| 24 | Logic Pulser Model LP-212T/C |
| 25 | Noise Generator Model NG-818 |
| 26 to 29 | Function Generator ( 6 Models from 100Kz, 1 MHz, 10 MHz, 20 MHZ) |
| 30 | Function Generator(Variable Phase) for Control Lab Model FG 812 |
| 31 | All-in-One L,C.R,Q, Meter, Transistor Tester, Transistor Curve Tracer Model CT 350 |
| 32 | Digital Mutimeter (3 Models:3-1/2, 4-1/2 Digits and one with f & C measurement) |
| 33 | Relay output board model TM-23 |
| 34 | Digital Wattmeter model TM-01 |
| 35 | Sound Level Meter model TM-02 |
| 36 | Flight Tilt Indicator model TM-03 |
| D | ELECTRONICS WORKSHOP LAB |
| 37 | PCB Design Kit |
| 38 | PCB Illuminated Work Station |
| 39 | PCB Consumeables Kit |
| 40 | PCB Bromographer Model 708 |
| 41 | PCB Etching Machine Model 567 |
| 42 | PCB Inspection Station |
| 43 | PCB Drilling Station Model 120 |
| 44 | Transformer Winding Set up Model 132 |
| E | BASIC ELECTRONICS LAB |
| 45 | Learning Kit Model BE 707 |
| 46 | Discrete Component Trainer Model BE-2901E |
| 47 | Basic Electronic Trainer Model BE-7081E |
| 48 | RLC LED-Panel Model BE P1 |
| 49 | Magnetic Devices & Circuits-Panel Model BE P2 |
| 50 | Thermistor Characteristics-Panel Model BE P3 |
| 51 | LDR Characteristics-Panel Model BE P4 |
| 52 | Power Supply Trainer-Panel ModelBE P5 |
| 53 | Regulated Power Supply Trainer Model BE P6 |
| 54 | Basic Electronics-Panel Model BE7 |
| 55 | Rectifier Filter Regulator-Panel Model BE 8 |
| 56 | Op-Amp -Panel Model BE 9 |
| 57 | Gates Panel Model BE10 |
| 58 | Transistor FET & UJT-Panel Model BE11 |
| 59 | SCR Diac Triac-Panel Model BE 12 |
| 60 | Main Unit (2 Digital Meters,(2 Analog Meters,2 Bread Boards, supporting peripheral) Model BE-02 |
| 61 | Advanced Analog System(3 Bread Board,2 Digital Meters, 12''x14'') Model BE-03 |
| 62 | Study of Deflection Instrument( 14''x10'',2 Analog Meters) Model BE-04 |
| F | TRAINING BOARDS |
| F1 | THEOREMS |
| 63 | Network Theorems Model BE-01 |
| 64 | Maximum Power Transfer Theorem Model BE-02 |
| 65 | R-C Circuits & Time Constant Model BE-03 |
| 66 | R-C & L-C Circuits & their applications Model BE-04 |
| 67 | Series Resonance Model BE-05 |
| 68 | Parallel Resonance Model BE-06 |
| 69 | Transient Response of second order Network Model BE-07 |
| 70 | Lissajous Measurements on CRO Model BE-08 |
| 71 | Potential divider biasing circuits Model BE-09 |
| F2 | DEVICE CHARACTERISTICS |
| 72 | Zener diode characteristics Model DC-01 |
| 73 | Common Base transistor characteristics. Model DC-02 |
| 74 | Common Emitter transistor characteristics Model DC-03 |
| 75 | JFET characteristics Model DC-04 |
| 76 | UJT characteristics Model DC-05 |
| 77 | SCR/Triac characteristics Model DC-06 |
| 78 | Varactor Diode characteristics Model DC-07 |
| 79 | Diac Characteristics Model DC-08 |
| 80 | Characteristics Apparatus Model DC-09 |
| 81 | LED diode characteristics Model DC-10 |
| F3 | POWER ELECTRONICS |
| 82 | Single Phase Control (RC based) using SCR and Triac Model PE-01 |
| 83 | Single Phase Control (RC&UJT based) using SCR and Triac Model PE-02 |
| 84 | SCR triggering circuit using LDR Model PE-03 |
| 85 | UJT firing circuit for SCR Model PE-04 |
| 86 | UJT controlled SCR time delay circuit Model PE-05 |
| 87 | Single phase bridge rectifier using SCR Model PE-06 |
| 88 | Lamp Intensity Control using SCR and Triac (Lamp Dimmer).Model PE-07 |
| 89 | Motor Speed Control using SCR and Triac Model PE-08 |
| 90 | Three Phase SCR controlled Rectifier Model PE-09 |
| 91 | Fan Regulator using Diac & Triac Model PE-10 |
| 92 | UJT Fired SCR Phase Control Model PE-11 |
| F4 | POWER SUPPLY |
| 93 | Rectifier Circuits, including HW, FW and Bridge Model PS-01 |
| 94 | Stabilized power supply using zener diode & emitter follower pass transistor. Model PS-02 |
| 95 | Filter Circuits, including Capacitor Filter,Inductor Filter, L Section Filter and P Filter. Model PS-03 |
| 96 | Emitter Follower/Shunt Regulated Power Supplies Model PS-04 |
| 97 | Series Regulated transistorised Power Supplies Model PS-05 |
| 98 | Variable voltage IC Regulated Power Supplies Model PS-06 |
| 99 | Switched Mode Power Supply. Model PS-07 |
| 100 | Voltage Multipliers (Doubler, Tripler and Quadrupler) Model PS-08 |
| 101 | Low voltage regulated power supply using IC723%fold back current limiting Regulator Model PS-09 |
| 102 | Power supply tutor (PSUI) Model PS-10 |
| F5 | OSCILLATORS & MULTIVIBRATORS |
| 103 | Wein Bridge oscillator (transistorised Model OM-01 |
| 104 | R-C Oscillator (Wein Bridge & Phase Shift) Model OM-02 |
| 105 | Wein Bridge oscillator (IC version) Model OM-03 |
| 106 | Hartley's oscillator Model OM-04 |
| 107 | Colpitt's oscillator Model OM-05 |
| 108 | Crystal oscillator Model OM-06 |
| 109 | Phase shift oscillator Model OM-07 |
| 110 | Twin -T oscillator Model OM-08 |
| 111 | Monostable, Astable and Bistable multivibrator Model OM-09 |
| 112 | Option 1: Monostable Multivibrator |
| 113 | Option 2: Astable Multivibrator Only |
| 114 | Option 3: Bistable Multivibrator Only |
| 115 | Multivibrator using operational amplifiers Model OM-10 |
| 116 | Multivibrators using digital IC’s Model OM-11 |
| 117 | Multivibrators using IC-555 timer Model OM-12 |
| 118 | Schmitt Trigger (Transistor) Model OM-13 |
| 119 | OP-AMP as a Schmitt Trigger Model OM-14 |
| 120 | Voltage Controlled Oscillator Model OM-15 |
| 121 | Transistorized Multivibrator Model OM-16 |
| 122 | UJT Relaxation Oscillator Model OM-17 |
| F6 | AMPLIFIER CIRCUITS |
| 123 | Transistor biasing circuits: fixed bias & emitter resistor bias Model AP-01 |
| 124 | Biasing circuits : collector to base bias Model AP-02 |
| 125 | Biasing circuits : voltage divider bias Model AP-03 |
| 126 | Thermal stability of Transistors (considerations of biasing methods) Model AP-04 |
| 127 | Single stage amplifier Model AP-05 |
| 128 | R-C coupled two stage amplifier Model AP-06 |
| 129 | Voltage and current feedback amplifier. Model AP-07 |
| 130 | Single ended power amplifier Model AP-08 |
| 131 | Push Pull power Amplifier Model AP-09 |
| 132 | Complementary symmetry output amplifier Model AP-10 |
| 133 | Option 1: BJT, JFET and MOSFET Based |
| 134 | Option2: BJT Only |
| 135 | Option 3: JFET Based Only |
| 136 | Option 4: MOSFET Based Only |
| 137 | Tuned (narrow band) amplifier Model AP-11 |
| 138 | Wide band amplifier. Model AP-12 |
| 139 | Differential ampifier Model AP-13 |
| 140 | FET amplifier Model AP-14 |
| 141 | Emitter Follower/Shunt Regulated Power Supplies Model AP-15 |
| 142 | Transformer coupled amplifier Model AP-16 |
| 143 | IC operational amplifier including inverting, non inverting amplifier, voltage follower, summer Model AP-17 |
| 144 | Option 1: IC operational amplifier including inverting, non |
| 145 | Option 2: IC operational amplifier including inverting, non |
| 146 | Option 3: IC operational amplifier including voltage |
| 147 | Option 4: IC operational amplifier including summer only |
| 148 | Audio amplifier using LM380. Model AP-18 |
| 149 | Determination of h-parameter of transistor. Model AP-19 |
| 150 | Push Pull Class A, AB, B and C Power Amplifier Model AP-20 |
| 151 | Option 1: Includes Class A, AB, B, and C Amplifier |
| 152 | Option 2: Includes Class A only |
| 153 | Option 3: Includes Class AB & B only |
| 154 | Option 4: Includes Class C only |
| 155 | Boot Strap Voltage sweep Model AP-21 |
| 156 | Option 1: BJT, JFET Op Amp based |
| 157 | Option 2: BJT based only |
| 158 | Option 3: JFET Based Only |
| 159 | Option 4: Op Amp based only |
| 160 | Transistor curve tracer Model AP-22 |
| 161 | Transistor time delay relay circuit. Model AP-23 |
| 162 | Transistor Amplifier Demonstrator Model AP-24 |
| 163 | Common Base Amplifier Model AP-25 |
| F7 | WAVEFORM GENERATORS |
| 164 | Sawtooth Generator using 555. Model WG-01 |
| 165 | OP-AMP as a Sawtooth generator Model WG-02 |
| 166 | Four decade square wave generator using 741 Model WG-03 |
| 167 | Pulse generator with true & complementary O/P. Model WG-04 |
| 168 | Op. Amp Triangle wave generator. Model WG-05 |
| 169 | Op. Amp Ramp generator. Model WG-06 |
| 170 | Single fixed amplitude sine / square / triangle generator Model WG-07 |
| 171 | Staircase generator Model WG-08 |
| 172 | Boot strap circuit Model WG-09 |
| F8 | DIGITAL ELCTRONICS |
| 173 | Basic Logic Gates (OR, AND, NOR, NAND & NOT) Model DE-01 |
| 174 | Exclusive-OR & Exclusive - NOR gates, Half – adder & Full adder, half - substractor & full – substractor. Model DE-02 |
| 175 | R – S Flip Flops Model DE-03 |
| 176 | Quadruple J - K flip flop with preset and clear Model DE-04 |
| 177 | Master slave flip flop using NAND gates Model DE-05 |
| 178 | Decimal to Binary encoder Model DE-06 |
| 179 | NAND gate encoder. Model DE-07 |
| 180 | BCD to 7 – segment decoder Model DE-08 |
| 181 | Decade Counter, decoder driver & 7 segment display. Model DE-09 |
| 182 | Decoder & Encoder Model DE-10 |
| 183 | Divided by 'N' counter using 7442 Model DE-11 |
| 184 | Line to 1 line multiplexer. Model DE-12 |
| 185 | 4 line to 16 line demultiplexer Model DE-13 |
| 186 | Characteristics of CMOS IC's. Model DE-14 |
| 187 | Interfacing CMOS to TTL & TTL to CMOS IC's. Model DE-15 |
| 188 | 4 Bit binary full adder & substractor. Model DE-16 |
| 189 | 4 Bit binary full adder with fast carry 7483 Model DE-17 |
| 190 | 4 Bit binary up-down counter (Synchronous counter) Model DE-18 |
| 191 | 4 Bit Counter using 4 JK Flip Flops Model DE-19 |
| 192 | Read only memory (ROM) Model DE-20 |
| 193 | Tristate Buffers. Model DE-21 |
| 194 | Binary Multiplier Model DE-22 |
| 195 | Analog to Digital converter Model DE-23 |
| 196 | Digital to Analog converter Model DE-24 |
| 197 | 555 Timer circuit and applications. Model DE-25 |
| 198 | Left/Right Shift register. Model DE-26 |
| 199 | Arithmatic logic unit function generator 74181 Model DE-27 |
| 200 | Study of counter 7490/7492/7493 Model DE-28 |
| 201 | 4 line to 16 line decoder/demultiplexer Model DE-29 |
| 202 | 16Line to 1 Line Data selector/Multiplexe Model DE-30 |
| F9 | OPERATIONAL AMPLIFIER |
| 203 | Operational Amplifiers ; Characteristics. Model OA-01 |
| 204 | Voltage Follower. Model OA-02 |
| 205 | Summer, Substractor, Differentiator & Integrator using Op. Amps Model OA-03 |
| 206 | Voltage to frequency converter Model OA-04 |
| 207 | Frequency to voltage converter. Model OA-05 |
| 208 | Log & Antilog Amplifier Model OA-06 |
| 209 | Option 1: Log & Antilog Amplifier |
| 210 | Option 2: Log Amplifier only |
| 211 | Option 3: Antilog Amplifier only |
| 212 | Sample & Hold circuit. Model OA-07 |
| 213 | Clipping Circuits using Op. Amps Model OA-08 |
| F10 | ACTIVE FILTERS |
| 214 | Single Feedback based Low Pass Filter. Model AF-01 |
| 215 | Single Feedback based Band Pass Filter. Model AF-02 |
| 216 | Single Feedback based High Pass Filter Model AF-03 |
| 217 | Multiple Feedback based Low Pass Filter. Model AF-04 |
| 218 | Multiple Feedback based High Pass Filter. Model AF-05 |
| 219 | Multiple Feedback based Band Pass Filter. Model AF-06 |
| 220 | Controlled Source based Low Pass Filter. Model AF-07 |
| 221 | Controlled Source based High Pass Filter. Model AF-08 |
| 222 | Controlled Source based Band Pass Filter. Model AF-09 |
| 223 | INIC based Low Pass Filter. Model AF-10 |
| 224 | INIC based Band Pass Filter Model AF-12 |
| F11 | PASSIVE FILTERS |
| 225 | Crystal Filters. Model PF-01 |
| 226 | Low pass, High pass filters(RC based), both active & passive. Model PF-02 |
| 227 | Low pass prototype filter Model PF-03 |
| 228 | Low pass m-derived filter. Model PF-04 |
| 229 | Low pass terminating half sections. Model PF-05 |
| 230 | High pass prototype filter. Model PF-06 |
| 231 | High pass m-derived filter. Model PF-07 |
| 232 | High pass terminating half section. Model PF-08 |
| 233 | Prototype band pass filter. Model PF-09 |
| 234 | Prototype band reject filter Model PF-10 |
| 235 | M - derived band pass filter. Model PF-11 |
| 236 | M - derived band reject filter. Model PF-12 |
| F12 | NETWORK TRANSMISSION |
| 237 | Clipping Circuits, including series, shunt and zener clippers, Both +ve and -ve types Model TL-01 |
| 238 | Clamping Circuits. Model TL-02 |
| 239 | Differentiating and integrating circuits, both active & passive Model TL-03 |
| 240 | Series & Parallel resonant circuits. Model TL-04 |
| 241 | Network Theorems training board Model TL-05 |
| G | LINEAR CIRCUIT LAB |
| 242 | Linear Circuit Trainer Model LC-2941A |
| 243 | Phase Locked Loop (PLL) Trainer Model LC-01 |
| G1 | ANALOG COMPUTERS |
| 244 | Analog Computers Models AC-1160 |
| 245 | Analog Computers Models AC-700 |
| G2 | PROFESSIONAL COMPUTER |
| 246 | Professional Mainframe Model-1160 |
| 247 | Series of Computing Plug-ins Model PC-1200 |
| 248 | Dual Amplifier Model PC-1201A |
| 249 | Dual Amplifier Model PC-1201B |
| 250 | Dual Amplifier Model PC-1202A |
| 251 | Dual Amplifier Model PC-1202B |
| 252 | Dual Integrator Model PC-1210A |
| 253 | Dual Integrator Model PC-1210B |
| 254 | Multiplier Model PC-1215 |
| 255 | Multiplier Model PC-1216 |
| 256 | Dual square Function Generator Model PC-1245 |
| 257 | Dual square Function Generator Model PC-1246 |
| 258 | Memory Units Model PC-1250 |
| 259 | Memory Units Model PC-1251 |
| 260 | Logic Blocks Model PC-1255 |
| 261 | Logic Blocks Model PC-1256 |
| 262 | Logic Blocks Model PC-1257 |
| 263 | Logic Blocks Model PC-1258 |
| 264 | Controlled Integrator Model PC-1211 |
| 265 | Electronic Switch Model PC-1225 |
| 266 | Electronic Switch Model PC-1226 |
| 267 | Dual Variable Function Generator Model PC-1230 |
| 268 | Dual Variable Function Generator Model PC-1231 |
| 269 | Dual Variable Function Generator Model PC-1232 |
| 270 | Dual Variable Function Generator Model PC-1233 |
| 271 | Dual Attenuator Model PC-1240 |
| 272 | Dual Attenuator Model PC-1241 |
| G3 | OPERATIONAL AMPLIFIER |
| 274 | Operational Amplifier Trainer Model OA-01 |
| 275 | Voltage Follower. Model OA-02 |
| 276 | Differential & Integrator using operational amplifier Model OA-03 |
| 277 | Voltage to frequency converter Model OA-04 |
| 278 | Frequency to voltage converter. Model OA-05 |
| 279 | Log & Antilog Amplifier Model OA-06 |
| 280 | Sample & Hold circuit. Model OA-07 |
| 281 | Clipping & Clamping Model OA-08 |
| H | INSTRUMENTS & PROCESS CONTROL |
| 282 | Instrumentation Trainer Model 890 |
| 283 | Process Simulator Model 2709 |
| 284 | PID Controller Trainer Model - 8972 |
| 285 | Process Trainer Model 2909 |
| 286 | Thermal Trainer Model 890018 |
| 287 | Angular Displacement Trainer Model 890027 |
| 288 | Linear Displacement Trainer Model 890036 |
| 289 | Optical Device Trainer Model 890045 |
| 290 | Strain Measurement Trainer Model 890054 |
| 291 | Rotational Speed Measurement Trainer Model 890063 |
| 292 | System Input / Output Unit Model IP-01 |
| 293 | Modular Instrumentation Trainer Model IP-02 (COMPREHENSIVE) |
| I | DIGITAL ELECTRONICS LAB |
| 294 | Basic logic Gates (OR, AND, NOR, NAND & NOT) Model DE-01 |
| 295 | Exclusive-OR & Exclusive - NOR gates, Half – adder & Full adder, half - substractor & full – substractor. Model DE-02 |
| 296 | R-S Flip Flops Model DE-03 |
| 297 | Quadruple J - K flip flop with preset and clear Model DE-04 |
| 298 | Master slave flip flop using NAND gates Model DE-05 |
| 299 | Decimal to Binary encoder Model DE-06 |
| 300 | Nand gate encoder. Model DE-07 |
| 301 | BCD to 7 – segment decoder Model DE-08 |
| 302 | Decade Counter, decoder driver & 7 segment display. Model DE-09 |
| 303 | Decoder & Encoder Model DE-10 |
| 304 | Divided by 'N' counter using 7442 Model DE-11 |
| 305 | 16 Line to 1 line multiplexer Model DE-12 |
| 306 | 4 line to 16 line demultiplexer Model DE-13 |
| 307 | Characterstics of CMOS IC,s Model DE-14 |
| 308 | Interfacing CMOS to TTL & TTL to CMOS IC's. Model DE-15 |
| 309 | 4Bit binary full adder subtracter Model DE-16 |
| 310 | 4 bit binary full adder with fast carry 7483 Model DE-17 |
| 311 | 4 Bit binary up-down counter (Synchronous counter) Model DE-18 |
| 312 | 4 bit binary using JK Flip Flop-added Model DE-19 |
| 313 | Random access memory ModelDE-20 |
| 314 | 20 Read only memory Model DE-21 |
| 315 | Tristate Buffers. Model DE-22 |
| 316 | Binary multiplier Model DE-23 |
| 317 | Analog to Digital converter Model DE-24 |
| J | COMMUNICATION LAB |
| 318 | Amplitude Modulator/Demodulator with Spectrum Analyzer Model CE-01 |
| 319 | AM Mod/Demod including DSB,SSB,SC,ASK,PSK Model CE-02 |
| 320 | Amplitude Modulation Diode Detector Training Board Model CE-03 |
| 321 | AM Transmitter & Receiver DSB / SSB Model CE-04 |
| 322 | AM Radio System (AM Rx & Tx) Model CE-05 |
| 323 | Frequency Modulator/Demodulator with Spectrum Analyzer Model CE-06 |
| 324 | Frequency Modulator (VCO Type) Training Board Model CE-07 |
| 325 | FM Modulator (Sinusoidal Carrier) Model CE-08 |
| 326 | FM Demodulator (Ratio type) Training Board Model CE-09 |
| 327 | FM Demodulator (Foster Seely Type) Training Board Model CE-10 |
| 328 | FM Demodulator (Quadrature Type) Model CE-11 |
| 329 | FM Demodulator(PLL-Based) Model CE-12 |
| 330 | FM Radio System (FM Rx & Tx) Model CE-13 |
| 331 | FSK Modulator (VCO TYPE ) Model CE-14 |
| 332 | FSK Demodulator (PLL BASED ) Model CE-15 |
| 333 | Frequency Shift Keying (FSK) Modulator & Demodulator Model CE-16 |
| 334 | Phase Shift Keying (PSK) Modulator & Demodulator Model CE-17 |
| 335 | Binary Phase Shift Keying (BPSK) Model CE-18 |
| 336 | AGC & Delayed AGC Model CE-19 |
| 337 | Balanced Modulator Model CE-20 |
| 338 | PAM Modulator / Demodulator Model CE-21 |
| 339 | Pulse Width Modulation(PWM) Model CE-22 |
| 340 | Pulse Position Modulator / Demodulator (PPM) Model CE-23 |
| 341 | PAM/PWM/PPM Modulator/Demodulator Model CE-24 |
| 342 | PAM/PWM/PPM Modulation/Démodulation Trainer Model RT 2110 Model CE-RT2110 |
| 343 | Pulse Code Modulator / Demodulator Model CE-25 |
| 344 | Delta/Sigma Delta Modulation/Demodulation Model CE-26 |
| 345 | Waveform Synthesiser cum Analyser (Fourier Analyser) Model CE-27 |
| 346 | Sampling & Time Division Multiplexing / Demultiplexing / Signal Reconstruction Model CE-28 |
| 347 | Transmission Line Trainer(Co-Axial/Time Domain study) Model CE-29 |
| 348 | Transmission Line Trainer( Lumped parameter/Frequency Domain Study) Model CE-30 |
| 349 | Error Probability Trainer Model CE-31 |
| 350 | Passive RC Filters Model CE-32 |
| 351 | Passive LC Filters Model CE-33 |
| 352 | Active RC Filters Model CE-34 |
| 353 | Filter Module (Low pass T-Based) Model CE-35 |
| 354 | Noise cum Signal mixture Generator Model CE-36 |
| 355 | Pre Emphasis & De emphasis Model CE-37 |
| 356 | Synchronous Modulation Demodulation Model CE-38 |
| 357 | Spectral Analysis of AM<FM Model CE-39 |
| 358 | Direct Sequence Spread Spectrum Model CE-40 |
| 359 | Frequency Hopping Spread Spectrum Model CE-41 |
| 360 | QAM TRAINER Model CE-42 |
| 361 | TDM Pulse Amplitude Modulation/Demodulation Trainer Model RT 2102 |
| 362 | TDM Pulse Code Modulation / Transmitter Trainer Model RT 2103 |
| 363 | TDM Carrier Demodulation and Data Reformatting Receiver Trainer Model RT 2107 |
| 364 | TDM Audio Input Module Model RT 2108 |
| 365 | TDM Audio Output Module Model RT 2109 |
| 366 | TDM Adaptive Delta & Sigma Delta Modulation/Demodulation Trainer Model RT 2105 |
| 367 | TDM Sampling & Re-Constructional Trainer RT 2101 |
| K | FIBRE OPTICS LAB |
| 368 | Lo Cost, Fibre Optics Trainer Model 7100 |
| 369 | Fibre Optic Component & Tool Set Model 7110 |
| 370 | Fibre Optic Trainer Model 7120 |
| 371 | Fibre Optic Trainer Model 7130 |
| 372 | Fibre Optic Trainer Model 7140 |
| L | RADIO/TV LAB |
| 373 | Color TV Trainer Model 71 |
| 374 | B&W TV Trainer Model 17 |
| 375 | Telephone Instrument Trainer Model 78 |
| 376 | EPABX Trainer Model 34 |
| M | MICROWAVE LAB |
| 378 | Basic Klystron based Microwave Bench, Consisting of Klystron Power Supply-KLST-02, Klystron Oscillator-KLST-01, Isolator-ISO-CL-02, Frequency Meter-FM-01, Variable Attenuator-ATT-01, Slotted line section-SLT-SEC-01, Tunable Probe-SLT-SEC-02, Detector Mount-DTCR-01, VSWR Meter-INST-02 and Standard Accessories.Model KBMB-01 |
| 379 | Basic Gunn Based Microwave Bench, Consisting of Gunn Power Supply-GUN-02, Gunn Oscillator-GUN-01, Isolator-ISO-CL-02, Frequency Meter-FM-01, Variable Attenuator-ATT-01, Slotted line section-SLT-SEC-01, Tunable Probe-SLT-SEC-02, Detector Mount--DTCR-01, VSWR Meter-INST-02 and Standard Accessories.Model GBMB-02 |
| 380 | Basic Klystron cum Gunn Based Microwave Bench, Consisting of Klystron Power Supply-KLST-02, Klystron Oscillator-KLST-01, Gunn Power Supply-GUN-02, Gunn Oscillator-GUN-01, Isolator-ISO-CL-02, Frequency Meter-FM-01, Variable Attenuator-ATT-01, Slotted line section-SLT-SEC-01, Tunable Probe-SLT-SEC-02, Detector Mount-DTCR-01, VSWR Meter-INST-02 and Standard Accessories.Model KGBM-03 |
| 381 | 4. Basic Antenna Radiation Pattern Set, Consisting of Mechanical Radiation Turn Table-ANT-TT-01, Klystron Oscillator-KLST-01, Klystron Power Supply-KLST-02, Diode Detector Mount-DTCR-01 and 2 nos of Pyramidal Antenna-ANT - 05 along with Accessories.Model APR-04 |
| N | KLYSTRON RELATED |
| 382 | Klystron Oscillator Mount, including Klystron Tube Model KLST-01 |
| 383 | Klystron Power Supply, Digital Model KLST-02 |
| 384 | Klystron Power Supply, Analog Model KLST-03 |
| 385 | Klystron Tube Model KLST-04 |
| 386 | Klystron Cooling Fan Model KLST-05 |
| N1 | GUNN RELATED |
| 387 | Gunn Oscillator, including Diode Model GUN-01 |
| 388 | Gunn Power Supply Digital Model GUN-02 |
| 389 | Gunn Power Supply Analog Model GUN-03 |
| N2 | ISOLATOR/CIRCULATOR |
| 390 | Pin Modulator Model GUN-04 |
| 391 | Circulator Model ISO-CL-01 |
| 392 | Zener diode characteristics Model DC-02 |
| 393 | Attenuator:Variable 20 dB Model ATT-01 |
| 394 | Attenuator: Fixed 20 dB Model ATT-02 |
| 395 | Attenuator: Fixed 10 dB Model ATT-03 |
| N3 | FREQUENCY METERS |
| 396 | Frequency Meter Direct Reading Digital Model FM-01 |
| 397 | Frequency Meter Direct Reading Analog Model FM-02 |
| 398 | Frequency Meter Micrometer Type Model FM-03 |
| N4 | VSLOTTED SECTION |
| 399 | Slotted Section Model SLT-SEC-01 |
| 400 | Tunable Probe Model SLT-SEC-02 |
| N5 | AG SHORTS |
| 401 | Short: Fixed Model SHRT-01 |
| 402 | Short: Movable Model SHRT-02 |
| 403 | Short: Precision Movable Model SHRT-03 |
| N6 | TERMINATION |
| 404 | Termination: Sliding Precision Model TERM-01 |
| 405 | Termination: Matched Model TERM-02 |
| N7 | DETECTOR |
| 406 | Detector Mount Model DTCR-01 |
| N8 | ANTENNAS |
| 407 | Antenna: Dielectric Model-ANT-01 |
| 408 | Antenna: E Sector Horn Model-ANT-02 |
| 409 | Antenna: H Sector Horn Model-ANT-03 |
| 410 | Antenna: Pickup Horn Model-ANT-04 |
| 411 | Antenna: Pyramid -16 dB Horn Model-ANT-05 |
| 412 | Antenna: Pyramid -22 dB Horn Model-ANT-06 |
| 413 | Antenna: Standard Horn Model-ANT-07 |
| 414 | Antenna: Parabolic Antenna 8" Model-ANT-08 |
| 415 | Antenna: Slotted Ant Broad Wall Model-ANT-09 |
| 416 | Antenna: Slotted Ant. Narrow Wall Model-ANT-10 |
| 417 | Antenna: Conical Model-ANT-11 |
| N9 | TUNER |
| 418 | Tuner : EH Model TUNR-01 |
| 419 | Tuner: EH Tuner Precision Model TUNR-02 |
| 420 | Tuner: SS Tuner Model TUNR-03 |
| 421 | Tuner: SS Tuner Precision Model TUNR-04 |
| N10 | TEE |
| 422 | Tee: E-Plane Model TEE-01 |
| 423 | Tee: H-Plane Model TEE-02 |
| 424 | Tee: Magic Model TEE-03 |
| N11 | BEND & TWIST |
| 425 | Bend: E-Plane Model BND-01 |
| 426 | Bend: H-Plane Model BND-02 |
| 427 | Twist Model BND-03 |
| N12 | COUPLER |
| 428 | Coupler : Cross Directional Model CPLR-01 |
| 429 | Coupler: Multihole Directional Model CPLR-02 |
| N13 | DIELECTRICS |
| 430 | Dielectrics: Liquid Dielectric Cell Model DIE-01 |
| 431 | Dielectrics: Solid Dielectric Cell Model DIE-02 |
| 432 | Dielectrics: Solid Dielectric Sample Model DIE-03 |
| 433 | Dielectrics: Dielectric Slab 1" Model DIE-04 |
| 434 | Dielectrics: Solid Dilectric Set Model DIE-05 |
| 435 | Dielectrics: Liquid Dielectric Set Model DIE-06 |
| 436 | Dielectrics: Phase Shifter Model DIE-07 |
| N14 | MISC |
| 437 | Microwave Cavity Model MISC-02 |
| N16 | INSTRUMENTS |
| 438 | CRO-30 Mhz, Dual trace, Analog Model INST-01 |
| 439 | VSWR Meter Digital Model INST-02 |
| N17 | COMMUNICATION |
| 440 | Voice Communication Kit Model PE 01 |
| O | CONTROL SYSTEM LAB |
| 441 | Linear System Simulator, Model – 8909 |
| 442 | Temperature Control System, Model - 8918 |
| 443 | Compensation Design Model - 8927 |
| 444 | Relay Control System, Model - 8936 |
| 445 | DC Position Control System, Model - 8945 |
| 446 | Stepper Motor Study Model - 8954 |
| 447 | D.C. Speed Control System Model – 8963 |
| 448 | PID Controller Model - 8972 |
| 449 | Process Simulator Model - 2709 |
| 450 | Process Trainer Model - 2809 |
| 451 | Potentiometric Error Detector Model – 8981 |
| 452 | Light Intensity Control System Model – 8990 |
| P | PHYSICS |
| 453 | Basic Superconductivity Apparatus Model PL-01 |
| 454 | Enhanced Sup[erconductivity Apparatus Model PL-02 |
| 455 | Force Table Model PL-03 |
| 456 | Diffraction Grating Model PL-04 |
| 457 | Diode Laser Model PL-2021 |
| 458 | Newton’s Ring Apparatus Model PL-05 |
| 459 | Wheatstone Bridge Dial Type Model PL-06 |
| 460 | Young’s Double Slits Apparatus Model PL-07 |
| 461 | Comprehensive Kit to Investigate wave properties of light Model PL-08 |
| 462 | Longitudinal Wave Demonstrator Model PL-09 |
| 463 | Transverse Wave Demonstrator Model PL-10 |
| 464 | Laser Diode with Power Supply Model PL11 |
| Q | NON CONVENTIONAL ENERGY |
| 465 | Basic Hydrogen Fuel Cell Apparatus Model NCE-01 |
| 466 | Methanol Fuel Cell (MFC) Apparatus Model NCE-02 |
| 467 | Enhanced Hydrogen Fuel Cell (HFC) Apparatus |
| 468 | Solar House |
| R | ELECTRICAL ENGG |
| 469 | Motor Connection And Motor Starting Kits Model EE-01 |
| 470 | Kit to demonstrate the Role Played by Relays in Controlling And regulating the operation of Motors Model EE-02 |
| 471 | Demonstration Board for Protective Circuits Model EE-03 |
| 472 | Grounding Protection Circuit Model EE-04 |
| 473 | Motor Relay Kit Model EE-05 |
| S | ELECTRICAL HOUSE WIRING |
| 474 | Electrical House Wiring Model EHW-01 |
| 475 | Kits for basic installation training on Model EHW-02 |
| 476 | Wire Types Model EHW-02a |
| 477 | Wire Soldering Model EHW-02b |
| 478 | On switch, one lamp Model EHW-02c |
| 479 | Lamp with Two Switches Model EHW-02d |
| 480 | Lamp with Three Switches Model EHW-02e |
| 481 | Connection of Outlets Model EHW-02f |
| 482 | Wire Codes & Regulations Model EHW-02g |
| 483 | Alarm Systems Model EHW-02h |
| 484 | Protection Devices Model EHW-02i |
| 485 | Grounding & Protection Circuits Model EHW-02j |
| 486 | Connection of Service Entrance Model EHW-02k |
| 487 | Measurement of W, VA, VAR, VAhr, VARhr Model EHW-02l |
| 488 | Measurement of current and voltage. Model EHW-02m |
| 489 | Use of Megger/ Insulation Tester Model EHW-02n |
| 490 | Use of Clamp Meter Model EHW-02o |
| 491 | Use of conduits Model EHW-02p |
| W | APPLIED MECHANICS |
| 491 | Free and Forced Vibration Apparature Model FC-01 |
| 492 | Whirling apparatus Model FC-02 |
| 493 | Flywheel Apparatus Model FC-03 |
| 494 | Belt Friction Apparatus Model FC-04 |
| 495 | Cam Follower Model FC-05 |
| 496 | Four Bar Chain Model FC- 06 |
| 497 | Funicular and Polygon Apparatus Modek FC-07 |
| 498 | Rolling Disc on Inclined Plane Model FC-08 |
| 499 | Forces on Beam Apparatus Model FC-09 |
| 500 | Coriolis Force Apparatus |
| 501 to 600 approx |
MISCELLANEOUS PRODUCTS Many more products were made, some were not produced or produced but not sold-such as Morse Code Reader, Morse Code Sender, Bugs for RAW, Ultrasonic Dental Scaler, Automatic wiring Harness Tester, Insulation Breakdown Tester and so on. Many were variations on or similar products but needed the full gamut of product design process from circuit design onwards. |