This kit provides facility for interfacing audio signal to any of the Digital Communication Trainer kits. The input module accepts audio signal from microphone. The signal after amplification is given to Digital Communication Trainer Kits which accepts external analog signal. The output module accepts analog input signal from Digital Communication Trainer Kits. The built in power amplifier output drives a speaker providing the audio output. A volume control knob is provided to adjust the volume. Exhaustive manuals are provided along with the kit, which provides detailed experimental procedure and complete circuit diagram explanation of the kit.

LIST OF EXPERIMENTS:
• Study the operation of noise generator and signal attenuation network.
• Study of Audio Pre-Amplifier.
• Study of Audio Amplifier.
• Voice Communication.