AJANTA AEI-8203 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.
Specifications:-
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 | 74 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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