EXPERIMENTS

• PHASE LOCKED LOOP CIRCUIT
• » Voltage Controled Oscillator
• » Study of Phase Locked Condition
• » Phase Detector & Low Pass Filter
• DIGITAL SYNTHESIZER
• » Error Signal Detector
• » Study of Phase Comparator
• » Programmable Division Circuit
• » Transitory Response of Synthesizer
• PAM(TDM) TRANSMITTER / RECEIVER
• » Input Amp. Characteristics
• » Transmission Timing
• » Study of the PAM Multiplexer
• » Study of the PAM Demultiplexer
• » Characteristics of the PAM System Noise
• PCM TRANSMITTER / RECEIVER
• » Channel Circuit of the Transmitter
• » Reception Synchronization & Alignment
• » A/D Converter & Quantization Characteristics
• » D/A Converter & Demultiplexer
• » Characteristics of the PCM System Noise
• FDM MULTIPLEXER / DEMULTIPLEXER
• » Input Amp. & Balanced Modulator
• » Study of the SSB Demodulator
• » Study of the System Global Response
• » Crosstalk Response

Features:

• PLL and Digital Synthesizer
• PAM, PCM, FDM and FSK Modem
• 10types of module including DC Power Supply

EXPERIMENTAL MODULES

• U-2990A - Phase Locked Loop Circuit
• U-2990B - Digital Synthesizer Circuit
• U-2990C - MODEM Circuit(FSK, PSK)
• U-2990D - PAM Multiplexer
• U-2990E - PAM Demultiplexer
• U-2990F - PCM Multiplexer
• U-2990G - PCM Demultiplexer
• U-2990H - FDM Multiplexer
• U-2990J - FDM Demultiplexer
• U-2990P - DC Power Supply