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Microprocessor Trainer Kits
Interfacing Module
Study Card
Interfacing Module For E89-02
Interfacing Module For E89-05
Embedded Trainers Kits & Modules

Dynamic Demonstrators

Industrial & Power Electronics
Instrumentation
Control Engineering
Communication
Audio & Video Engineering
Bridges
Network Circuits
Linear Circuits
Power Supplies
Basic Digital Electronics
Advance Digital Electronics
Transistor Amplifier circuits
Oscillators & Wave Shaping Circuits
Basic Electronics
Advance Communication
Power Electronics
Electrical Engineering
 
Test & Measuring Instruments
Breadboards
Teaching Aids
 

 

 
 
DIGITAL Communication Trainers 
 

Model 7510
 

TDM Pulse Amplitude Modulation / Demodulation Trainer
 

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 and 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 f AC
Accessories : a. Detailed Instruction Manual b. Set of Patch cords
 

Experiments :
 
Study of Pulse Amplitude Modulation ( PAM ) technique
Study of Time Division Multiplexing ( TDM ) and demultiplexing
Study of PLL as Frequency Mutiplier to generate clock from sync
   signal
Study of three modes of operation to regenerate original signal

   1.3 connections between transmitter and receiver      

        (clock, sync, information )
   2.2 connections ( information & sync ); clock generated at receiver
   3.1 connection ( information only ) clock & sync derived at receiver
Study of effect of varying duty cycle of sampling pulse and signal
   reconstruction
Signal Sampling & Reconstruction using external Sampling input

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@2006 Advance Electronic Industries
 
Contact :
1/135, Nahar & Seth Industrial Estate,
Pannalal Compound, L.B.S. Marg,

Bhandup (W), Mumbai - 400 078, INDIA
Voice: (+91-22) 2596 9769
Fax:   (+91-22) 2596 9770
          (+91-22) 2596 2147

 info@adtrontechnologies.com / adtron@vsnl.com