Skip to content

TDM Pulse Amplitude Modulation & Demodulation Trainer

SKU: 7510 Category:

SALIENT FEATURES :

  • Crystal controlled Clock.
  • On – board Sine Generator ( synchronised ).
  • On – board Pulse Generator.
  • 4 Analog input channels sampled and time division multiplexed.
  • Five selectable sampling frequencies.
  • Selectable Pulse Duty Cycle.
  • Selectable Internal / External sampling.
  • 4 channel Demultiplexer.
  • Generation of clock at receiver by PLL system.
  • Fourth order Butterworth low pass filters.

TECHNICAL SPECIFICATIONS :

  • Crystal Frequency : 6.4 MHz.
  • Analog Input Channels : 4.
  • Multiplexing : Time Division Multiplexing.
  • Modulation : Pulse Amplitude Modulation.
  • On Board Analog Signal : 250 Hz, 500 Hz, 1 KHz, 2KHz
    (sine wave synchronized to sampling pulse, adjustable amplitude & separate variable DC level ).
  • Sampling Rate : 16 KHz / channel.
  • Sampling Pulse : With duty cycle variable from 0-90% in decade steps.
  • Clock Regeneration at receiver : Using PLL.
  • Low Pass filter cut – off frequency : 3.4 KHz.
  • Test Points : 52.
  • Power : 230V + 10% 50 Hz, 1 ? AC.
  • Accessories : a. Detailed Instruction Manual.
    b. Set of Patch cords.

EXPERIMENTS :

  1. Study of Pulse Amplitude Modulation ( PAM ) technique.
  2. Study of Time Division Multiplexing ( TDM ) and demultiplexing.
  3. Study of PLL as Frequency Mutiplier to generate clock from sync signal.
  4. Study of three modes of operation to regenerate original signal.
  5. 3 connections between transmitter and receiver (clock, sync, information ).
  6. 2 connections ( information & sync ); clock generated at receiver.
  7. 1 connection ( information only ) clock & sync derived at receiver.
  8. Study of effect of varying duty cycle of sampling pulse and signal reconstruction.
  9. Signal Sampling & Reconstruction using external Sampling input.

Reviews

There are no reviews yet.

Be the first to review “TDM Pulse Amplitude Modulation & Demodulation Trainer”

Your email address will not be published. Required fields are marked *