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DPCM / ADPCM Modulation Demodulation Trainer

DPCM / ADPCM Modulation Demodulation Trainer
DPCM / ADPCM Modulation Demodulation Trainer
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Product Code : 40625
Brand Name : Tesca
Price And Quantity
  • Minimum Order Quantity
  • 1 Piece
  • Price Range
  • 3000.00 - 25000.00 INR
Product Specifications
  • Use
  • For Laboratory
  • Material
  • Metal
  • Dimensions
  • 26 x 26 x 70 Millimeter (mm)
  • Shape
  • Rectangle
  • Color
  • Multi Color
Product Description

Order Code-40625 is an Advance Digital Communication Trainer System that helps one under stand various Digital Modulation and Demodulation Techniques. Various functional block diagrams are provided on-board as an aid for Teaching/Training. These Kits are provided with various Test Points to visualize the signals on Oscilloscopes.


  • Receiver Clock generated by PLL method.
  • Demodulation is done using PLL and Envelop Detector Method.
  • Switch faults are provided to study its effects on circuits.
  • Block Description screen printed on PCB.
  • In-Built Power Supply.


  • To study DPCM modulation and Demodulation.
  • To study ADPCM modulation Demodulation.
  • To study Quantization Error.
  • To study voice communication for DPCM / ADPCM (Optional).
  • To study Effect of Switch faults.


Sine Wave Generator
  • Provides Sine waveform output using IC 74164.
  • Frequency of Sine wave is 500 Hz with variable Amplitude of max.0-4Vp-p
Data Clock Generator
  • Jumper selectable clock with amplitude of 5V.
  • Clock of frequencies 64 KHz, 128 Khz, 256 KHz and 512KHz.
Sampling Clock
  • Sampling Clock is generated using IC 4016.
  • Sampling Clock Frequency of 16 KHz and Amplitude of 5V.
On-board features
  • DPCM modulation using sampler, quantizer and linear predictor.
  • Onboard Buffer is provided using Lf353.
  • DPCM demodulation using linear predictor, Integrator and Low pass Filter.
  • On-board Low pass filter using Tl084.
  • Block Description Screen printed on glassy epoxy PCB.
  • All interconnections are made using 2mm banana Patch cords
  • Test points are provided to analyze signals at various points.
  • All ICS are mounted on IC Sockets.
  • Bare board Tested Glass Epoxy SMOBC PCB is used.
  • In-Built Power Supply of +5V/150mA, ±12V/250mA with Power ON indication
  • Attractive enclosure.
  • Set of 2mm Patch cords for interconnections.
  • User's Manual with sample experiments programs.

Trade Information
  • Payment Terms
  • Telegraphic Transfer (T/T)
  • Supply Ability
  • 100 Piece Per Month
  • Delivery Time
  • 4-5 Week
  • Sample Available
  • Yes
  • Sample Policy
  • Sample costs shipping and taxes has to be paid by the buyer
  • Main Export Market(s)
  • Africa, Middle East, Western Europe, Eastern Europe, South America, North America, Central America, Australia, Asia