SALIENT FEATURES :
? Completely self – contained stand – alone unit.
? Demonstrates the principle and working of a Pulse Code ( PCM ) Mod / Demod Trainer.
? Supply required 230V, 50Hz AC.
? Built – in IC based DC regulated power supply with short circuit protection and LED indication for supply ?ON?.
? IC based modulating circuit.
? Modulating circuit consists of a Positive Clamper, Sample and Hold ( S & H ), Analog to Digital Converter (ADC ), Parallel to Serial Converter and Control Signal Generator.
? Facility for connecting external AC or DC Modulating Signal.
? Observation of binary coded analog information by the LED status.
? Built – in pulse code demodulation circuit.
? The demodulated circuit is made using a Serial to Parallel Converter, Parallel Shift Register, DAC, Low Pass Filter for both AC & DC.
? Observation of demodulated waveform on CRO.
? Pulse code modulated signal to be provided externally for which connecting facility provided on board.
? 1 MHz clock to be provided from the Pulse Code Modulator unit.
? Test points are provided at various stages in the circuit to observe the waveforms and voltages.
? Housed in an elegant cabinet with a well spread intelligently designed circuit layout on the front panel.
? Strongly supported by a comprehensive instruction manual completely with theory and operation details
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