Frequency_Modulation-Demodulation-2203

Scientech 2203 Frequency Modulation/Demodulation

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Product Description

Frequency Modulation / Demodulation – Scientech 2203

Frequency modulation demodulation techniques demonstrates frequency modulation techniques. Frequency modulation using varactor modulator, using reactance modulator operation of detuned resonants circuits & operation of phase lock loop detector, operation of radio detector can be studied efficiently.

Features:

  • A self contained platform
  • Functional blocks indicated on board mimic
  • Input – Output and Test points provided onboard
  • Built-in DC Power Supply
  • Exhaustive learning material
  • 8 switched faults
  • On board audio, modulators, detectors, amplitude limiter & filter circuits
  • Effect of noise on the detection of FM signal may be investigated
  • Compact size
  •  2 Year Warranty

Scope of Learning

  • Study of Frequency Modulation using Varactor modulator
  • Study of Frequency Modulation Using Reactance Modulator
  • Study of Operation of Detuned Resonant Circuit
  • Study of Operation of Quadrature Detector
  • Study of Operation of Phase-Locked Loop Detector
  • Study of Operation of Foster – Seeley Detector
  • Study of Operation of Ratio Detector

Specifications:

Audio Oscillator With adjustable Amplitude & Frequency (300 Hz – 3.4 KHz)
FM Modulator 2 nos.
1) Reactance Modulator (with carrier Frequency adjustment)
2) Varactor Modulator (with carrier Frequency adjustment)
Mixer / Amplifier 1 no. (With Gain adjustment) Allows FM input signal to be amplitude modulated by a noise input prior to demodulation.
Transmitter Output Frequency 5 nos.
1) Detuned Resonant Detector
2) Quadrature Detector
3) Foster -Seeley Detector
4) Ratio – Detector
5) Phase Locked Loop Detector
Low Pass Filter 3.4 KHz Cut off Frequency Amplifier (with adjustable gain)
Amplitude Limiter 1 no.
Switched Faults 8 nos.
Interconnections 4 mm banana sockets
Test points 74 nos (Gold plated)
Power Supply 230 V ±10%, 50 / 60 Hz
Power Consumption 3 VA approximately
Operating Conditions 0-40 C, 80% RH
Weight 3 Kg approximately
Dimensions (mm) W 340 x D 240 x H 100
Learning material Online (Theory, procedure, reference results, etc).
Included Accessories
Patch cord 16" 4 nos.
Mains cord 1 no.