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CAT NO: DIDACTICNLE-Export-091012
Pulse Code Modulation/demodulation Trainer Kit For Electrical Lab Training.
In the basic PCM Modulator the base band analog Signal is converted into 8 bit Digital format using an ADC.
Sampling rate is set at 2.5 KHz. The 8 bit parallel data from ADC is converted into serial bit stream at 20 kbps.
The PCM Demodulator receives the serial data, converts it into 8 bit parallel format.
The Analog to Digital converter transforms the 8 bit parallel data into analog level.
Thus the output of DAC is a stepped approximation of input signal.
A low pass filter is used to recover the analog signal.
HARDWARE SPECIFICATION :
Inbuilt Power Supply
Built in TTL Clock Generator 20 KHz
Modulating signal Generator 100Hz to 5KHz
PCM Encoder & PCM Decoder
Data display with LED’s
Assembled in plastic Box with circuit printed on PCB with 2mm socket for test points & to see the waveforms
Set of 2mm Patch Chords & Manual.
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