Experiments

PAM (Pulse Amplitude Modulation)

• Understand PAM signal generation (examples: Natural and Flat-Top)

• Study the impact of sampling signal frequency on PAM signal in the time domain

PTM (Pulse Time Modulation)

• Understand PTM signal generation methods

• Study PTM signal characteristics in the time domain

• Understand the relationship between PWM signal and PPM signal

PCM I (Pulse Code Modulation I)

• Understand A/D and D/A conversion processes

• Understand the Counter-type A/D conversion system

• Understand the Parallel-type D/A conversion system

PCM II (Pulse Code Modulation II)

• Understand the Successive Approximation-type A/D conversion system

• Understand PCM signal transmission methods

PCM III (Pulse Code Modulation III)

• Understand the µ-law and µ-law companding characteristic curves

• Study the influence of companding on demodulation signal

DPCM (Differential PCM)

• Learn methods of DPCM signal generation and message signal demodulation

• Understand Offset Binary Code, 2’s Complement Code, and Signed Binary Code

ADPCM (Adaptive DPCM)

• Understand the relationship between PCM CODEC’s operation principle and timing

• Understand the relationship between ADPCM system’s operation principle and ADPCM transcoder’s timing diagram

LDM (Linear Delta Modulation)

• Learn LDM signal generation and message signal demodulation methods

• Study the shapes of slope overload noise and granular noise generated in ∆M system

ADM (Adaptive Delta Modulation)

• Learn ADM signal generation and message signal demodulation methods

• Study methods of oblique overload noise prevention in CVSD demodulation system

∆-∑ (Delta-Sigma Modulation)

• Understand ∆-∑ demodulation principles and S/N improvement methods

• Study the impact of oversampling and noise shaping on the S/N ratio during ∆-∑ demodulation

 

ACCESSORIES

• Power Cable: 5 ea

• AC Power Cord: 1 ea

• Connection Cord: 1 ea

• Experimental Manual: 1 ea