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REMOTE_OSCILLATOR_HIGH_FREQUENCY_VFO

2016-08-26 05:27  
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REMOTE_OSCILLATOR_HIGH_FREQUENCY_VFO
REMOTE_OSCILLATOR_HIGH_FREQUENCY_VFO
REMOTE_OSCILLATOR_HIGH_FREQUENCY_VFO
A remote VFO is sometimes used to control a transmitter or receiver. The circuit shown uses an MPF102 FET and is conyolled by a dc voltageat J3. The table shows values for L1 for various bands from 30 to 10 meters. U1 senres as a buffer amplifier.