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Communication System Trainer / Fibre Optic Communication Trainer (Model: XPO-COM)

The communication experimentation system offers a comprehensive learning experience on various communication mediums and methods, including AM, FM, and Fibre Optics (FO) Wired communication. It covers Analog and Digital communication principles, along with Fibre Optics characteristics, all implemented using cutting-edge VLSI/CPLD technology. The system features an aesthetically designed injection-moulded electronic desk (master unit) equipped with essential experiment resources like power supplies, multi-function generators, FM/AM/FO transmitters/receivers, microphones, and loudspeaker amplifiers. The modular experiment panels are swappable and utilize the latest state-of-the-art VLSI/CPLD technology, providing versatility in experimentation.

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SALIENT FEATURES:

  •  Can learn and experiment about variety of communication mediums (AM, FM, FO Wired) & methods (Modulation / Demodulation Analog/ Digital).
  • Covers Analog communication, Digital communication, Fibre optics characteristics as well as communication, Wired communication through various modular experiment panels implemented using latest state of arts VLSI/CPLD’s.
  • Aesthetically designed injection moulded electronic desk (master unit) carrying useful experiment resources like power supplies, Multi Function generators, FM/AM/FO/Transmitter/receiver, MIC and L/S amplifier, Butterworth Filter (BWF), Sync sine waves etc while central slot will hold various replaceable experiment panels. Order 10 MUs + Swappable 20 Panels set etc.
  • Can buy CM1, CM6,CM7,P19 as stand alone panels to save money, need to order Audio box for the same.
  • Connection through sturdy 4mm Banana sockets, patch cords, ST connectors, BNC Connectors.
  • Student workbook & instructor’s Guide provided

Specifications of Master Unit

Built in DC Power Supply :

  • 5V/1A, ± 12V/500mA, 0 to -15V DC (Variable) / 100mA,0 to15V DC (Variable)/100mA.

Waveform Generator :
1. Carrier Generator:

  • Waveform : SINE / TRG / TTL/ CMOS (settable)
  • Output Frequency : 1 Hz to 1 MHZ
  • Output Voltage : 0-20 Vpp
  • Controls : Frequency & Amplitude control pots
  • Modulation : AM (std) -I/Pvolt – ±5V, 0V-No modulation AM (DSBSC)-
    I/P volt. 0-9.8 Vpp, o/p volt.0- 2.7, FM I/P volt. 400mV (±50%
    modulation), ASK- I/P upto 500Hz, ±5V Square wave, FSK-I/P upto
    500Hz, ±4.5V Square wave.

2. Audio Oscillator:

  • Waveform : SINE / TRG / SQUARE
  • Output Frequency : 50 Hz to 5KHz
  • Output Voltage : Sine 0-2Vpp, Sq. 0-9 V pp, TRG. 0-3Vpp
  • Controls : Freq & Amplitude control pots.

3. Synchronized Sine Wave Generator :

  • Input : 32 K Hz TTLI/Pto Generate 4 nos. of sync. sine O/P
  • Waveform : SINE
  • Output Frequency : 250 / 500 / 1000 / 2000 Hz
  • Output Voltage : 0-10 V pp
  • Controls : Amplitude control pot

Mic with Pre-Amp. Hand held Electret / dynamic microphone with preamplifier for audio range.
Audio Amplifier : Variable Gain up to 20 for Audio range, Built in Loudspeaker – 8 ohm/500mW / earphone.
Pink Noise Gen. : Frequency response of filter for audio range.
Buffer/AC amplifier : NIV gain amplifier 2 Nos, Gain- 0-20, For Non sinusoidal Signal Generator cum INV buffer.
BNC TO Banana Converter : Converts 1 BNC Socket to 2 Banana Sockets
(4mm) & Vice Versa.
Butter Worth Filter [LPF]: 4 Nos – 2 pole/4 pole butter worth filter cut off frequency 3.4 K Hz Audio range.
Pseudo Random Binary Sequence generator : Switch settable for on/off fix 15 bit PRBS Generator, will also function as input digital data stream
generator

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