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Pulse Code Modulator or Demodulator


Model No:

CE-25

Romtek ® is the registered trade mark of Bhushan & Bhushan


Short Description

Signal I/P : Audio signal or local DC from 8V to +8V Analog signal Pulse Code : 3 Bits or 4 Bits, selectable O/P Bit Rate : Variable from 4 KHz to 40 KHz Demodulator: Built - in Low Pass : Can be introduced by a switch Filter : in the demodulated O/P signal Built-in Difference : Given, demod. O/P can be Amplifier compared to modulator I/P Quantisation error : Effect of changing bit rate & measurement ckts changing coding from 3 bit to 4 bit can be seen on these. Synchronizing : 2V p-p, 0.1mS Pulse O/P The instrument works on 230/115 V + 10%, AC Single Phase