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MESA_TRANSISTOR_TUNER_OSCILLATOR

2016-05-08 14:24  
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MESA_TRANSISTOR_TUNER_OSCILLATOR
Uses common-base transistor connection, which is regenerative at high frequencies. Additional feedback capacitance between emitter and collector assures dependable oscillation. With emitter current of 2 ma, circuit can supply about 20 times the 300 microwatts required by mixer. Sliding-core coil gives 2:1 change in inductance for fine tuning.-H. F. Cooke, Designing Tv Tuners with Mesa Transistors, Electronics, 33:15, p 64-69.