The following schematic diagram shows the design of a 100 MHz Radio Frequency RF Oscillator Circuit. The electrets microphone picks up and amplifies sound then fed it into the audio amplifier stage built around the first transistor. The output from the collector is fed into the base of the second transistor where it modulates the resonant frequency of the tank circuit (the 5 turn coil and the trim cap) by varying the junction capacitance of the transistor.
Get more information regarding the design of 100 MHz Radio Frequency RF Oscillator Circuit Diagram here – 144KB PDF file from electronics-lab.com
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3 comments for this entry ↓
1 komyominaung // Dec 22, 2010 at 8:53 pm
please give me rf circuit and recevier circuit
please;
2 BIBHUTI BHUSAN PRAMANIK // Dec 30, 2010 at 11:37 pm
Please give me the circuit of 500watt RF generator.
3 Romjan // Jan 5, 2011 at 11:06 pm
i need design A100mhz FM radio with transmeter and recever for school project.
please advice
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