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Oscillator selectively operable with a parallel tuned or a series tuned resonant circuit
Oscillator selectively operable with a parallel tuned or a series tuned resonant circuit
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机译:振荡器可通过并联调谐或串联调谐谐振电路选择性地工作
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摘要
An electronic oscillator of the Colpitts type with an amplifying element and a tank circuit. The tank circuit includes a parallel tuned resonant circuit, a series tuned resonant circuit and a switching circuit that selectively connects one of the resonant circuits to the tank circuit. The oscillator operates at a first frequency in the parallel tuned mode and a second frequency that is substantially twice the first frequency in the series tuned mode.
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