Frequency Division Multiplexer/ Demultiplexer Trainer

SALIENT FEATURES

• On board Balanced Modulator, Audio Oscillator, Audio Input, AC Amplifier Low Pass Filter, Carrier Generator.
• Onboard Test Points & Fault Switches.
• On board audio jacks provided for Microphone and Earphone connection

TECHNICAL SPECIFICATIONS

•  Channel : Two channel FDM with one channel as audio.
•  Carrier Generators : Two Carrier Generators.
•  Modulation Input Frequency : Two separate Sine Waves:
  1. – a) 1 Khz &.
  2. – b) 10KHz (of variable Frequency & variable amplitude.
•  Modulators : DSBSC (02 nos.).
•  Demodulators : DSBSC demodulators (02 nos.).
•  Filters : Two separate fourth order lowpass butter worth Filter with Cut off freq of 10KHz.
•  Fault Switches : 8 nos. through 8 way DIP switch for troubleshooting at different blocks.
•  Test Points : More than 45.
•  Cabinet : Enclosed in ABS plastic cabinet with detachable cover.
•  Power : 220V AC ±10%, 50/60Hz mains operated.
•  Accessories : Set of Patch Cords, User’s manual.

LIST OF EXPERIMENTS

•  Study of Carrier Frequency Generation.
•  Two Channel FDM with one channel as audio.
•  Study & demonstrate the carrier generation.
•  Study of AM, DSBSC Modulation.
•  Study of DSBSC Demodulation.
•  Study of Voice Communication using AM technologies.

OPTIONAL ACCESSORIES
♦ Multimedia interactive computer based training manual