Frequency Modulation & Demodulation Trainer (Advanced Model)

Objective :

a) To Carry out experiment on Two Types of Frquency Modulation & Five Type of Demdoulation

b) To Study Frequency Modulation Waveform, VCO Circuit is available Separately

c) To Study the Noise Effect on Frequency Modulation Transmission & Tuned Circuit

Specifications :

* In Built IC Based DC Regulated Power Supply ±12/ 500mA

* On Board Sine Wave Audio Oscillator (with adjustable Amplitude & Frequency), Frequency : 300Hz - 3.4KHz,  Amplitude : 0-4Vpp Approx.

* On Board Transmitter Output Frequency, Frequency : 455KHz,  Amplitude : 0-0.5Vpp Approx.

* On Board Low Pass Filter, Frequency : 3.4KHz Cut-off Frequency Amplifier (with Adjustable Gain)

* 1 No. of Amplitude Limitor

* 1 No. of Mixer/ Amplifier with Gain Adjustable allows Frequency Modulation Input Signal to be Amplitude Modulated by a Noise Input Prior to Demodulation

* Modulation using Reactance Modulator & Varactor Modulator (Both with Carrier Frequency Adjustment)

* Demodulation using Detuned Resonant Detector, Quadrature Detector, Foster Seelay Detector, Ratio Detector, Phase Locked Loop Detector

* On Board Faults Switches 8 Nos.

* On Board Test Points 74 Nos.

* Glass Epoxy PCB used as front panel & mounted on light weight shock proof plastic cabinet

Power Requirement : 220V AC ±10%, 50Hz

Standard Accessories : Patch Cords & Instruction Manual

Optional Accessories : CRO 20MHz