Oscillator with capacitative voltage divider constituted by a transistor
阅读：759发布：2021-07-12
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1. AN OSCILLATOR COMPRISING IN COMBINATION: (A) A FIRST TRANSISTOR HAVING A BASE, A COLLECTOR AND AN EMITTER; (B) A SECOND TRANSISTOR HAVING A BASE, A COLLECTOR AND AN EMITTER; (C) SAID COLLECTORS OF SAID TRANSISTORS BEING CONNECTED TO EACH OTHER; (D) SAID BASE OF SAID FIRST TRANSISTOR AND SAID EMITTER OF SAID SECOND TRANSISTOR BEING CONNECTED TO EACH OTHER; (E) FEEDBACK MEANS HAVING ONE TERMINAL CONNECTED TO SAID EMITTER OF SAID FIRST TRANSISTOR AND THE OTHER TERMINAL TO SAID BASE OF SAID SECOND TRANSISTOR; (F) AN INDUCTANCE CONNECTED ACROSS SAID COLLECTOR AND EMITTER OF SAID SECOND TRANSISTOR, SAID INDUCTANCE AND SECOND TRANSISTOR TOGETHER CONSTITUTING THE RESONANT CIRCUIT OF SAID OSCILLATOR WITH SAID SECOND TRANSISTOR BEING A CAPACITATIVE VOLTAGE DIVIDER WHOSE TAP IS CONSTITUTED BY THE BASE OF SAID SECOND TRANSISTOR; (G) MEANS FOR APPLYING AN OPERATING VOLTAGE TO SAID COLLECTOR OF SAID FIRST TRANSISTOR; AND (H) MEANS FOR APPLYING A CONTROL VOLTAGE TO SAID FEEDBACK MEANS.
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