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Analog Communication System Trainer

SKU: 1042 Category:

COMMON FEATURES :

  • Completely self contained stand – alone unit
  • Supply required 230V, 50Hz AC.
  • Built – in IC based DC regulated power supply with short circuit protection and LED indication for supply ?ON?.
  • Test points are provided at various stages in the circuit to observe the waveforms and voltages.
  • Builtin Generators – A. 0?10 KHz ( 4 ranges ) / 0?10V pp Sine wave
    B. 0?100KHz ( 5 ranges ) / 0?10V pp Sine / Square
  • Housed in an elegant cabinet with a well spread I Intelligently designed circuit layout on the front panel.
  • Strongly supported by a comprehensive instruction manual completely with theory and operation details

TECHNICAL SPECIFICATION

AMPLITUDE MOD / DEMOD

  • Demonstrates the principle of Amplitude Modulation and Demodulation
  • Built – in carrier signal generator with Amplitude adjust, frequency adjusts
  • Facility for connecting external modulating signal
  • Observation of Amplitude Modulated signal at the output on CRO.
  • Demodulation achieved using diode detector.
  • Observation of demodulated waveform
  • Built – in amplifier to increase detection efficiency
  • Calculation of Modulation index
  • Observation of amplitude modulated waveforms for different modulation depths.

FREQUENCY MOD / DEMOD TRAINER

  • Demonstrates the principle of Frequency Modulation and Demodulation
  • Built – in HF carrier signal generator
  • Facility for connecting external modulating signal
  • IC based modulating circuit.
  • Observation of frequency modulated signal.
  • Demodulation achieved using Ratio Detector Circuit
  • Observation of demodulated output on CRO

DSB SC MODULATION / DEMODULATION TRAINER

  • Demonstrates the principle of DSB SC Modulation / Demodulation
  • IC based balance modulator.
  • Verification of suppression of carrier and fine adjustment for optimum carrier suppression
  • Demonstrates the effect of the input audio level on double side band output amplitude
  • Built – in Balanced (DSB) Demodulation circuit using IC1496
  • Observation of demodulated waveform
  • Balanced (DSB) modulated signal to be provided externally for which connecting facility provided on board.
  • Facility for connecting external modulating signal

PULSE AMPLITUDE ( PAM ) MOD / DEMOD TRAINER

  • Demonstrates the principle and working of a Pulse Amplitude ( PAM ) Mod / Demod
  • Built – in IC based modulating circuit.
  • Observation of pulse amplitude modulated waveform.
  • Demodulation achieved using Low Pass filter and AC Amplifier
  • Observation of demodulated waveform.
  • Built – in amplifier to increase detection efficiency.

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