LABORATORY/ COURSE/EQUIPMENT 
EXPERIMENT 
ANALOG COMPUTER 
 To solve differential equations
 To simulate 1st,2nd,3rd order system on analog computer
 To simulate common non linearitiesdead band, saturation, backlash etc.
 To use analog memory pair to solve split value boundary problem

TRANSFER FUNCTION ANALYSER 
 Plot Open & closed loop Frequency response of feedback control system (0.001 Hz to 100kHz)
 Plot Open & closed loop Phase response of feedback control system (0.001 Hz to 100kHz)
 Obtain time domain response of feedback control systems to square and ramp waveforms
 Design compensation circuits for desired response of a feedback control system

DIGITAL MULTIMETERS 31/2 DIGITS AND 41/2 DIGITS 
 To measure & compare the loading effect of a DMM and an AVO meter
 To measure the linearity of AC to DC conversion in DMM and compare it to that of an an AVO meter
 To investigate the error components in measurement of AC, DC & Resistance by DMM and AVO meters

REGULATED POWER SUPPLIES 
 To develop test set for measurement of Line & Regulation of DC regulated Power Supplies & then measure the parameters.
 To measure ripple & noise in DC regulated power supplies
 To measure the effect of ground loops on the above measurements
 To measure the transient recovery time of DC power Supplies and observe its effect on switching circuits.
 To measure the output impedance of regulated power supplies.
 To measure the efficiency of series regulator and measure all components of losses and correlate

BASIC ELECTRONICS LABORATORY
1. NETWORK THEOREMS
2. DEVICE CHARACTERISTICS
3.POWER ELECTRONICS
4. POWER SUPPLIES
5. OSC. & MULTIVIBRATORS
6. AMPLIFIER CIRCUITS
7. WAVEFORM GENERATORS
8. DIGITAL CIRCUITS
9. OPERATIONAL AMPLIFIERS
10. FILTER CIRCUITS 
 To verify all the network theorems
 To obtain the characteristics of devicesdiodes, diacs, LED’s, bipolar transistors, Junction Field effect transistors, MOSFETS, SCR’s, Triacs
 To obtain ac signal parameters from the plots obtained earlierdynamic resistance, h parameters, transconductance etc and verify the same from published data sheets
 To determine I/P, O/P resistance; gain & phase frequency response of BJT & FET amplifiers in the three basic configurations.
 To configure amplifier in series, shunt, seriesshunt, shuntseries feedback modes and measure I/P, O/P resistance; frequency response
 To configure different RC oscillators, verify the applicable frequency formula and measure frequency stability as a function of component tolerance and power supply variation.
 To configure a bistable multivibrator and obtain the highest toggle frequency as limited by 1. Device type and 2. Commutating capacitor for same device.
 To configure a astable multivibrator and 1.plot its frequency vs RC and 2. Determine its 1. Lowest & 2 fastest operating frequency
 To measure efficiency improvement by free wheeling diode in thyristor controller for RL load.

LABORATORY COURSEWARE IN DIGITAL TECHNIQUES 
 A lab course in digital techniques for Junior Engineers at DOT for electronic exchanges
 A lab course in Digital Electronics for Diploma programmes in Delhi, UP, Haryana, Himachal, Punjab & Rajasthan
 A course on 8085 Microprocessors

IC TESTERS 
 Measure TTL family static characteristics on IC tester
 Measure CMOS family static characteristics on IC tester
 Measure Input bias current, offset voltage, open loop gain of Op Amps on Linear IC tester

LINEAR SYSTEM LAB 
 Plotting Frequency/Phase response of Operational Amplifier as Inverter, Non inverter and as Summer for different gains
 Measurement of Input Resistance of Operational Amplifier as Inverter, Non inverter and as Summer for different gains
 Measurement of Output Resistance of Operational Amplifier as Inverter, Non inverter and as Summer for different gains
 Determination of Gain Band Width product of Operational Amplifier
 Measurement of Slew Rate of Operational Amplifier
 Measurement of Common Mode Rejection Ration, Power Supply rejection ration ratio of Op Amp
 Determine the Capture range & lock range of phase locked loop
 Measure & Compare the linearity of VCO in CD 4046 and NE 565
 Measure switching time of high speed comparator NE 529.

INSTRUMENTATION & PROCESS CONTROL LAB 
 Measure linearity of LVDT
 Determine Guage Factor of Strain gauge
 Measure Linearity of Angular displacement sensor and linearize it using Diode Function Generator used in Linear Systems lab
 Plot characteristics of 3 kinds of thermocouples. PTC and NTC thermistors, using PT 100 as standard.
 Plot response of LDR and photo diode and Photo transistor
 Build phase sensitive detector using:
 Diode bridge, and
 Using centre tapped transformer.
 Build discrete transistor equivalent of integrated temp sensor.
 Build signal conditioning circuit for a turbine type flow meter
 Build undernoted building blocks:
 Voltage Buffer, Instrumentation Amplifier, Differential Amplifier, power amplifierthen build as many feedback control systems out of these and available sensors in labe.g. light control system.
 Experiment on temperature control process with temp control of moving stream of air with PID controller. Input is the step inputs to the openloop system to determine the nature of the transfer function between the set value and the output of the temperature sensor.
 Experiment on input as step inputs to the openloop system to determine the nature of the transfer function between the set value and the output of the temperature sensor.
 Experiment on how the openloop behavior influences the behavior of the closedloop system under onoff control.
 Experiment on how to obtain the openloop frequency response data for a thermal system and use it to predict the onset of closedloop instability.

DIGITAL & MICROPROCESSOR LAB 
 A set of equipment for a course in combinational logic
 A set of equipment for a course in sequential logic
 A set of equipment for a course in microprocessors
 A set of equipment based on bread boards to enable prototyping

COMMUNICATION LAB 
 To synthesize a waveform of arbitrary shape and determine its Fourier components
 To determine the sidebands in an AM, AMSC, FM system
 To compare the performance of AM & FM systems with respect to noise
 To determine error probability of two different receivers.
 Design a 2 channel FDM communication system and build it.
 Design a 2 channel TDM system and build it.
 Observe the effect on signal fidelity and cross talk as sampling frequency and sampling pulse width is changed. Use a Distortion Meter to measure loss in signal fidelity.
 Observe the effect on signal fidelity and cross talk as carrier frequency and filter band width width is changed.
 Use a Distortion Meter to measure loss in signal fidelity. Comment on the duality of Time and
 frequency domain.
 Comparative experimental study of AMDSB, AMSCDSB; AMSCSSB; FM, ASK, FSK and PSK , PAM, PWM, PPM
 Comparative experimental study of PCM, Delta/Sigma Delta
 Observation of different types of signal formatting
 Observation of error correction schemes.
 Measurement of quantization noise and its control
 To observe reflection and multiple reflection on a transmission line.
 To measure the attenuation along the transmission line.
 To measure the velocity of propagation along the transmission line.
 To measure the characteristic impedance of a transmission line.
 To study the effect of mis – matching transmission line.
 To study the effect of terminating line in different loads

FIBRE OPTICS COMMUNICATION LAB 
 Setting up of Fibre Optics Analog & Digital Link
 Measurement of frequency response of the Analog & Digital link
 To plot VI characteristic of photo transmitter & detector
 Study of loss in optical Fibres, measure NA, and generate & interpret eye diagrams.

RADIO/TV LAB 
 Test the performance of the CTV receiver as Per relevant ISI
 Test the performance of the CTV receiver as Per relevant ISI
 Troubleshoot the CTV/BW receiver as per fault simulators given on the equipment.

MICROWAVES COMMUNICATION LAB 
 To study the characteristics of the reflex Klystron tube
 To determine the frequency and wave length in a rectangular waveguide
 To determine the standingwaveratio and reflection coefficient
 To determine the unknown impedance
 To study the V – I characteristic of Gunn Diode
 The measure the polar pattern and the gain of a waveguide Horn antenna
 To plot the radiation pattern of different antennae
 To experimentally observe the function of all the microwave components provided

PHYSICS Lab
(Superconductivity) 
 Demonstration of The Meissner Effect, Frictionless Bearing, energy storage toroid and levitation
 Experiment on measuring the critical temperature using the Meissner effect using the four point electrical probe
 To obtain a plot resistance versus temperature
 Experiment on Determining the Critical Current Density
 Experiment on Determining the Critical Magnetic Field
 Plot of scusceptibility vs temp

PHYSICS Lab
Experiments on Wave Propogation of light 
 Study of diffraction using Plane Transmission Grating (for two incident wave lengths) and finding wavelength/ grating element
 Study of diffraction using Plane Reflection grating ( for two incident wave lengths) and finding wavelength/ grating element
 Study of Single Slit diffraction pattern and finding slit width
 Study of Pin Hole diffraction pattern and finding pin hole diameter
 Study of polarization
 Study of half wave & quarter plate properties
 Demonstration of strains in optical materials
 Study of Elliptically and Circularly polarized light
 Measurement of refractive Index of prism
 Measurement of Brewster angle of glass plate
 Demonstration of total internal reflection
 Verification of Snell’s law
 Measurement of wedge angle of a glass plate
 Setting up of Path Length Modulation System (Michelson Interferometer)
 Temporal coherence using Michelson interferometer

PHYSICS LABOTHER EXPTS 
 Experiment on Addition of Forces by Vector Methods
 Experiment to verify the parallelogram law of vector addition by using a force table
 Experiment on equilibrium of concurrent force
 Experiment on Kinematics on an Inclined Plane
 Experiment on Speed of a Projectile
 Experiment on Newton’s Second Law
 Experiment on The Force of Gravity
 To show that a body launched horizontally will fall vertically at the same rate as a similar freely falling body.
 Experiment on Projectile Motion using Photo gates
 Experiment on Projectile Range versus Angle

CONTROL SYSTEMS LAB 
 To determine the open loop transfer function of all the blocks viz. integrator, time constant, uncommitted amplifier and error detectors/adders experimentally
 To determine the first order (type 0 & type1) open loop system response for various input signals like unit step, ramp, square wave etc.
 To determine the closed loop response of first and second order systems.
 To study disturbance rejection of closed loop system
 Study of the relay characteristics and display of the same on CRO for different values of hysteresis and dead zones.
 Study of the effect of hysteresis on system stability
 Phase plane analysis of relay control system for various values of Hysterisis and Dead Zones.
 Operation of the position control system for different values of the forward gain to angular position commands
 Step response studies for various values of forward gain
 Study of the effect of velocity feedback on the transient and steady state performance of the system as well as its stability

ELECTRICAL MACHINES LAB 
 Standard experiments like Torques Speed Characteristics, VI Characteristics, machine efficiency, protection mechanisms etc.

APPLIED MECHANICS LAB 
