TDM Pulse Amplitude Modulation Transmitter Trainer

Product Description

TDM Pulse Amplitude  Modulation Transmitter Trainer :-

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 Demultiplexer
• Generation of clock at Receiver by PLL system
• 4th order Butterworth L.P. Filters

SPECIFICATIONS

• Crystal Frequency: 6.4/8MHz
• 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: I KHz, 2KHz, 4KHz (optional)
• Sampling Rate: 16 KHz/ Channel
• Sampling Pulse : With Duty Cycle variable from O-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: Users manual

EXPERIMENTS CAN BE PERFORM

• PAM technique
• Time Division Multlp!exing 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 & info)
• 2 connections (Info. Sync) Clock gen.at receiver
• 2 connection (info. only) clock and sync derived at receiver
• Effect of varying duty of sampling puce or signal reconstruction