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Frequency Modulator And Demodulator Trainer Kit


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SKU: Trainer Kit-1 Category:
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Frequency modulation demodulation techniques demonstrates frequency modulation techniques. Frequency modulation using varactor modulator, using reactance modulator operation of detuned resonant circuits& operation of phase lock loop detector, operation of radio detector can be studied efficiently.



Audio Oscillator With adjustable Amplitude & Frequency (300 Hz – 3.4 Khz)
Audio Oscillator With adjustable Amplitude & Frequency (300 Hz – 3.4 Khz) Frequency (300 Hz – 3.4 Khz)
FM Modulator 1) Reactance Modulator (with carrier Frequency adjustment)
2) Varactor Modulator (with carrier Frequency adjustment)
Mixer / Amplifier 1 no. (With Gain adjustment) Allows FM input signal to be amplitude modulated by a noise input prior to demodulation.
Transmitter Output Frequency 455 KHz
FM Demodulator 1) Detuned Resonant Detector
2) Quadrature Detector
3) Foster -Seeley Detector
4) Ratio – Detector
5) Phase Locked Loop Detector
Low Pass Filter 3.4 KHz Cut off Frequency Amplifier (with adjustable gain)
Amplitude Limiter 1 no.
Switched Faults 8 nos.
Interconnections 2 mm Banana Sockets
Test points 20 nos
Power Supply 230 V 10%, 50 / 60 Hz
Power Consumption 3 VA approximately
Operating Conditions 0-40 C, 80% RH
Weight 3 Kg approximately
Dimensions (mm) W 405 x D 275 x H 105
Learning material CD (Theory, procedure, reference
Included Accessories Patch cord – 4 nos., Mains cord – 1 no., Learning material (CD) – 1 no.


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