IT-4103 Frequency Modulation / Demodulation Trainer

IT-4103 is designed to Analyze the Techniques of Frequency Modulation & Demodulation using Analog signals. Trainer consists of mainly two types of circuits namely, Modulator & Demodulator. These circuits implement different Modulation & Demodulation techniques.

Description

IT-4103 is designed to Analyze the Techniques of Frequency Modulation & Demodulation using Analog signals. Trainer consists of mainly two types of circuits namely, Modulator & Demodulator. These circuits implement different Modulation & Demodulation techniques.

 

Features:

Power Supply Included

Required Circuits Tested

Each Section Clearly Marked for Input and Output

Each Section Works as an Independent Unit

Audio Generator Included

Amplifier and Low Pass Filter Included

 

Technical Features:

Audio Generator: Frequency and Amplitude adjustable.

 

FM Modulator Types:

  • Reactance Modulator
  • Varactor Modulator

 

Carrier Frequency: 455 KHz

 

FM Demodulator Types:

  • Detuned Resonant
  • Quadrature Detector
  • Foster -Seeley
  • Ratio – Detector
  • Phase Locked Loop

 

Low Pass Filter: 3.4 KHz Cut off Frequency

Amplifier: AC Amplifier with adjustable gain

Interconnections: 2 mm gold plated pins

Accessories: Power cord, Experiment Manual, Set of patch cords

 

 Experiments included:

Frequency Components of the Human Voice

Frequency Modulation (FM)

Advantages of FM

FM Transmitter

Working Principle of Varactor Modulator

Working Principle of a Reactance Modulator

Study Frequency Modulation using Varactor Modulator

Study Frequency Modulation using Reactance Modulator

Study Operation of Detuned Resonant Circuit

Study Operation of Quadrature Detector

Study Operation of Phase-Locked Loop Detector

Study Operation of Foster – Seeley Detector

Study Operation of Ratio Detector