FREQUENCY MODULATION & DEMODULATION
Observe change in the carrier frequencyaccording to the amplitude of the modulating signal Calculate modulation index of the modulated signal. Recovery of modulating signal from demodulator circuit
* In built IC based DC regulated power supply±12V/250mA
* On board sine wave audio frequency signal generator Frequency: 2KHz & 4KHz
Amplitude: 0-2.8VppApprox.
* Modulation using VCO 8038 (Carrier generator
internally 62KHz, 5.5Vpp)
* Demodulation circuit using phase locked loop IC LM 5 565 Glass Epoxy PCB used as front panel & mounted on light Weight shock proof plastic cabinet.
* Circuit diagram printed on glass Epoxy PCB & all important IC’s & test points are brought out on front panel
* Power requirement: 220VAC±10%, 50Hz
* Standard Accessories : 1. A Training Manual.
* Optional Accessories : Dual Trace CRO 20MHz