Digital Communication Trainers

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*Digital Communication Trainers*
Sampling & Reconstruction Trainer ST2151	TDM Pulse Amplitude Modulation /Demodulation Trainer ST2152	TDM Pulse Code Modulation Transmitter Trainer ST2153
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Crystal controlled Pulse Generator. Demonstrates Sampling and Reconstruction as per Nyquist criterion.	Crystal controlled Clock. On-board Sine Generator (Synchronized).	2 TDM Analog Channels. 4 Switched faults allow different error check code options.
TDM Pulse Code Modulation Receiver Trainer ST2154	Delta, Adaptive Delta and Delta Sigma Modulation/ Demodulation Trainer ST2155	Data Formatting and Carrier Modulation/ Transmitter Trainer ST2156
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Input accepts two channel multiplexed data. On-board Demultiplex PCM receiver.	Both transmitter & receiver on same board. Clock Generation from Crystal.	On-Board carrier generation circuit. On-Board Impasse and Quadrate Phase.
Data Reformatting & Carrier Demodulation Receiver Trainer ST2157	Audio Input Module ST2108	Audio Output Module ST2109
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7 Different data conditioning formats. ASK, FSK, PSK, QPSK & DQPSK Carried modulation.	Accepts audio input signals from microphone or a tape recorder.	The built in power amplifier output drives an 2.5 inch speaker providing the audio output.
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