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    Home » Products » Communication Trainers » DPCM / ADPCM Modulation Demodulation Trainer

    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
    • Unit of Measure
    • Piece/Pieces
    • 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 s tu d y ADPCM modulation Demodulation.
    • To study Quantization Error.
    • To study voice communication for DPCM / ADPCM (Optional).
    • To study Effect of Switch faults.


    •             Sine Wave Generator

    o    Provides Sine waveform output using IC 74164.

    o    Frequency of Sine wave is 500 Hz with variable Amplitude of max.0-4Vp-p

    • ·         Data Clock Generator

    o    Jumper selectable clock with amplitude of 5V.

    o    Clock of frequencies 64 KHz, 128 Khz, 256 KHz and 512KHz.

    •          Sampling Clock

    o    Sampling Clock is generated using IC 4016.

    o    Sampling Clock Frequency of 16 KHz and Amplitude of 5V.

    •          On-board features

    o    DPCM modulation using sampler, quantizer and linear predictor.

    o    Onboard Buffer is provided using Lf353.

    o    DPCM demodulation using linear predictor, Integrator and Low pass Filter.

    o    On-board Low pass filter using Tl084.

    o    Block Description Screen printed on glassy epoxy PCB.

    • ·        Interconnections

    o    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