Model No.: DCT-17600

Features:
1. To understand the basic theory of digital communication system.
2. Design and implementation ability training of digital modulator and demodulator.
3. To understand the applications of digital modulator and demodulator.

Curriculum Outlines:
1. Design and implementation of line code encoder and decoder.
2. Design and implementation of PWM and PCM modulators.
3. Design and implementation of DM and ADM modulators and demodulators.
4. Design and implementation of ASK, FSK and PSK modulators and demodulators.

Specifications:
Module One: DCT-17600-01
Chapter 1: Line Code Encoder
Experiment 1: Unipolar and Bipolar NRZ Signal Encoder
Type of Signal: TTL, Data Rate: 1 kbps ~ 4 kbps.
Experiment 2: Unipolar and Bipolar RZ Signal Encoder
Type of Signal: TTL, Data Rate: 1 kbps ~ 2.5 kbps,
CLK: 2 kHz ~ 5 kHz.
Experiment 3: AMI Signal Encoder
Type of Signal: TTL, Data Rate: 50 bps ~ 250 bps,
CLK: 100 Hz ~ 500 Hz.
Experiment 4: Manchester Signal Encoder
Type of Signal: TTL, Data Rate: 100 bps ~ 400 bps,
CLK: 200 Hz ~ 800 Hz.

Chapter 2: Line Code Decoder
Experiment 1: Unipolar and Bipolar NRZ Signal Decoder
Type of Signal: TTL, Data Rate: 1 kbps ~ 4 kbps,
Experiment 2: Unipolar and Bipolar RZ Signal Decoder
Type of Signal: TTL, Data Rate: 1 kbps ~ 2.5 kbps,
CLK: 2 kHz ~ 5 kHz.
Experiment 3: AMI Signal Decoder
Type of Signal: TTL, Data Rate: 50 bps ~ 250 bps,
CLK: 100 Hz ~ 500 Hz.
Experiment 4: Manchester Signal Decoder
Type of Signal: TTL, Data Rate: 100 bps ~ 400 bps,
CLK: 200 Hz ~ 800 Hz.

Module Two: DCT-17600-02
Chapter 3: PWM Modulator
Experiment 1: uA741 Pulse Width Modulator
Carrier Signal: 1.5 kHz ~ 2 kHz, Audio Signal: 500 Hz.
Experiment 2: LM555 Pulse Width Modulator
Carrier Signal: 5 kHz ~ 10 kHz, Audio Signal: 1 kHz.

Chapter 4: PWM Demodulator
Experiment 1: Pulse Width Demodulator
Carrier Signal: 5 kHz ~ 6 kHz, Audio Signal: 500 Hz ~ 700 Hz.

Module Three: DCT-17600-03
Chapter 5 PCM Modulator
Experiment 1: PCM Modulator
Built-in Sample Frequency: 8 kHz,
Built-in Operation Frequency: 2048 kHz, Audio Signal: 100 Hz ~ 2 kHz.

Chapter 6: PCM Demodulator
Experiment 1: PCM Demodulator
Built-in Sample Frequency: 8 kHz,
Built-in Operation Frequency: 2048 kHz,
Audio Signal: 100 Hz ~ 2 kHz.

Module Four: DCT-17600-04
Chapter 7: Delta Modulator
Experiment 1: Delta Modulator
Type of Sample Signal: TTL CLK,
Sample Frequency: 32 kHz ~ 256 kHz, Audio Signal: 1 kHz ~ 3 kHz.
Chapter 8: Delta Demodulator
Experiment 1: Delta Demodulator
Type of Sample Signal: TTL CLK,
Sample Frequency: 32 kHz ~ 256 kHz, Audio Signal: 1 kHz ~ 3 kHz.

Module Five: DCT-17600-05
Chapter 9: Adaptive Delta Modulator
Experiment 1: Adaptive Delta Modulator
Type of Sample Signal: TTL CLK,
Sample Frequency: 32 kHz ~ 128 kHz, Audio Signal: 500 Hz ~ 1 kHz.

Chapter 10: Adaptive Delta Demodulator
Experiment 1: Adaptive Delta Demodulator
Type of Sample Signal: TTL CLK,
Sample Frequency: 64 kHz ~ 256 kHz, Audio Signal: 500 Hz ~ 1 kHz.

Module Six: DCT-17600-06
Chapter 11: ASK Modulator
Experiment 1: XR 2206 ASK Modulator
Carrier Signal: 20 kHz, Data Rate: 1 kbps.
Experiment 2: MC 1496 ASK Modulator
Carrier Signal: 20 kHz ~ 100 kHz, Data Rate: 2 kbps.

Chapter 12: ASK Demodulator
Experiment 1: Asynchronous ASK Demodulator( I )
(Using XR2206 as the modulated ASK signal)
Carrier Signal: 20 kHz, Data Rate: 200 bps ~ 1 kbps.
Experiment 2: Asynchronous ASK Demodulator( II )
(Using MC1496 as the modulated ASK signal)
Carrier Signal: 20 kHz, Data Rate: 200 bps ~ 1 kbps.
Experiment 3: Synchronous ASK Demodulator
Carrier Signal: 100 kHz, Data Rate: 200 bps ~ 2 kbps.

Module Seven: DCT-17600-07
Chapter 13: FSK Modulator
Experiment 1: XR2206 FSK Modulator
Data Rate: 200 bps ~ 400 bps.
Experiment 2: SN74124 FSK Modulator
Data Rate: 200 bps ~ 400 bps.
Chapter 14: FSK Demodulator
Experiment 1: FSK Demodulator ( I )
(Using XR2066 as the modulated FSK signal)
Data Rate: 200 bps ~ 400 bps.
Experiment 2: FSK Demodulator ( II )
(Using SN74124 as the modulated FSK signal)
Data Rate: 200 bps ~ 400 bps.

Module Eight: DCT-17600-08
Chapter 15: PSK Modulator
Experiment 1: PSK Modulator
Carrier Signal: 100 kHz, Data Rate: 200 bps.

Chapter 16 PSK Demodulator
Experiment 1: PSK Demodulator
Carrier Signal: 100 kHz, Data Rate: 200 bps.

Optional Function Generator/ Power Supply module: FG-17202
Power Supply: 4 fixed voltage outputs(+/- 5V, +/- 12V), 2 variable voltage outputs (+/- 0 ~15 V)
Low ripple and noise
Function Generator:
Output: 2 CHs
Frequency Range: 10 Hz ~ 100 KHz, 100Hz ~ 1 MHz
Waveforms: TTL pulse, Square, Triangle, and Sinewave
Amplitude: 10 Vp-p
2 built-in 6-digit frequency counters
Overload protection

* Oscilloscope, function generator, power supply are not included.