TDM PULSE AMPLITUDE MODULATION TRANSMITTER KIT

  • Crystal Frequency : 6.4/8 MHz
  • Analog Input channel : 4
  • Multiplexing : Time Division Multiplexing
  • Modulation : Pulse Amplitude Modulation
  • On – Board Analog Signal :
  • 250 Hz, 500 Hz, 1 KHz, 2KHz
  • 500 Hz, 1 KHz, 2KHz, 4KHz (optional)

SILENT FEATURES

  • Crystal controlled Clock
  • On – Board Sine Generator (Synchronized)
  • On – Board Pulse Generator
  • 4 Analog input Channels samples and Time Division Multiplexed
  • Pulse Duty cycle selected
  • 4 Channel De multiplexer
  • Generation of clock at Receiver by PLL system
  • 4th order Butterworth L.P. Filters

TECHNICAL SPECIFICATIONS

  • Crystal Frequency : 6.4/8 MHz
  • Analog Input channel : 4
  • Multiplexing : Time Division Multiplexing
  • Modulation : Pulse Amplitude Modulation
  • On – Board Analog Signal :
  • 250 Hz, 500 Hz, 1 KHz, 2KHz 500 Hz, 1 KHz, 2KHz, 4KHz (optional)
  • Sampling Rate : 16 KHz / Channel
  • Sampling Pulse : With Duty Cycle variable from 0 – 90% in decade steps
  • Clock Resistance at Receiver : Using PLL
  • Low Pass Filter cut – off Freq. : 3.4 KHz
  • Fault Switches : 4 nos. through 4 way DIP switch for troubleshooting at different blocks
  • Test Points : More than 50
  • Interconnections : 2/4 mm socket
  • 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

  • Pulse Amplitude Modulation technique
  • Time Division Multiplexing and De multiplexing
  • PLL as Frequency Multiplexer to Generate clock from Sync signal
  • 3 modes of operation to generate original signal
  • 3 connections between transmitter & receiver (Clock, Sync & Information)
  • 2 connections (Information, Sync) Clock gen. at receiver
  • 2 connection (information only), clock and Sync derived at receiver
  • Effect of varying duty of sampling pulse on signal reconstruction.

OPTIONAL ACCESSORIES

  • Multimedia interactive computer based training manual