Saturday, August 16, 2014

Amplitude Modulation & Demodulation

Objective : 
a) Observe change in the Carrier amplitude according to the amplitude of the modulation Signal
b) Calculate Modulation Index of the Modulated Signal
c) Recovery of Modulating Signal from Demodulator Circuit.
Technical Specification :
* In built IC based DC Regulated Power Supply ±12V/ 500mA
* On board Sine Wave Audio Frequency Signal Generator, Frequency : 1KHz, Amplitude : 0-2Vpp Approx.
* On board Carrier Signal Generator, Frequency : 455KHz, Amplitude : 2.5Vpp Approx.
* Modulation using Balanced Modulator IC LM 1496
* Demodulation using Diode Detector OA 79
* 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

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