Module One: ETEK DCS-6000-01
Chapter 1: Line Code Encoder
Chapter 2: Line Code Decoder

Module Two: ETEK DCS-6000-02
Chapter 3: PWM Modulator
Chapter 4: PWM Demodulator

Module Three: ETEK DCS-6000-03
Chapter 5 PCM Modulator
Chapter 6: PCM Demodulator

Module Four: ETEK DCS-6000-04
Chapter 7: Delta Modulator
Chapter 8: Delta Demodulator

Module Five: ETEK DCS-6000-05
Chapter 9: Adaptive Delta Modulator
Chapter 10: Adaptive Delta Demodulator

Module Six: ETEK DCS-6000-06
Chapter 11: ASK Modulator
Chapter 12: ASK Demodulator

Module Seven: ETEK DCS-6000-07
Chapter 13: FSK Modulator
Chapter 14: FSK Demodulator

Module Eight: ETEK DCS-6000-08
Chapter 15: PSK (BPSK) Modulator
Chapter 16: PSK (BPSK) Demodulator