Objective : |
a) Observe Shift in Carrier Amplitude according to the Binary Input i.e. Digital Clock Signal. |
b) Recovery of Modulating Signal from Demodulator Circuit using Phase Locked Loop following by a Low Pass Filter & Comparator |
Technical Specification : |
* In built IC based DC Regulated Power Supply ±12V/ 250mA |
* On board Data Signal Generator, Frequency : 10KHz & 5KHz, Amplitude : 5Vpp Approx. |
* On board Carrier Signal Generator, Frequency : 100KHz & 50KHz, Amplitude : 6Vpp Approx. |
* Modulation using Linear Multiplier (Balanced Modulator using IC LM 1496) followed by adder TL081 |
* Demodulation using Phase Locked Loop using IC 4046 followed by Low Pass Filter TL082 & Comparator IC 3140 |
* 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 |
Friday, August 15, 2014
Frequency Shift Keying (FSK) Modulation & Demodulation.
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