Frequency Division Multiplexing Transceiver Trainer

Experiments Included:

  • Study of DSBSC modulation / demodulation.

  • Study of the Frequency Division Multiplexing / De-multiplexing with sinusoidal wave.

FDM trainer explores concepts relating to Frequency Division Multiplexing and De-multiplexing. This trainer is self contained with two Audio inputs through audio generators and two DSB Modulator and De-modulators.

Both carriers are generated using crystal oscillator. This ensure stable carrier. At De-modulator section, Ceramic Band Pass Filter, DSB De-modulator and Low Pass Filter is used.

Features:

  • Power Supply Included

  • Required Circuits Tested

  • Each Section Clearly Marked for Input and Output

  • Each Section Works as an Independent Unit

  • Audio Generator Included for each section

  • RF Filter, Amplifier and Low Pass Filter Included

Technical Features:

  • Carrier 1: Sine with gain adjust

  • Carrier 2: Sine with gain adjust

  • Audio Generator 1: Frequency and Amplitude adjustable.

  • Audio Generator 2: Frequency and Amplitude adjustable.

  • Modulator: Balanced Modulator

  • Demodulator: DSB De-modulator

  • Band Pass Filter 1: Ceramic type

  • Band Pass Filter 2: Ceramic type

  • Amplifier: AC Amplifier with adjustable gain

  • Low Pass Filter: 5th Order Butterworth Filter with cut off frequency of 3.4 Khz

  • Interconnection: 2mm gold plated pins

Accessories: 2mm Patch Cords, Experiment Manual and Power cord