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热词
    • 9. 发明授权
    • Voltage controlled oscillator with a resonator common to a resonance
circuit and an oscillation circuit and a capacitor
    • 具有谐振电路和振荡电路以及电容器共用的谐振器的压控振荡器
    • US6104255A
    • 2000-08-15
    • US131667
    • 1998-08-10
    • Shinji GomaTakeshi Kataya
    • Shinji GomaTakeshi Kataya
    • H03B5/18
    • H03B5/1847
    • A voltage controlled oscillation circuit includes a resonance circuit and an oscillation circuit. The oscillation circuit includes a capacitor, a variable capacitance diode, and a resonator composed of a strip line one end of which is grounded. The oscillation circuit includes an oscillation transistor, bias resistors, and, a Colpitts capacitor, a harmonic bypass capacitor, and a chip capacitor, one end of which is connected in series with a resistor and the other end of which is grounded. A node between the bias resistor and the chip capacitor connects the resonator composed of a strip line provided within the resonance circuit via a connection line, whereby the emitter of the oscillation transistor provided within the resonance circuit is grounded via the bias resistor and the resonator. In addition, a parallel resonance circuit is composed of the resonator and the chip capacitor.
    • 压控振荡电路包括谐振电路和振荡电路。 振荡电路包括电容器,可变电容二极管和由带状线一端接地的谐振器。 振荡电路包括振荡晶体管,偏置电阻器,Colpitts电容器,谐波旁路电容器和芯片电容器,其一端与电阻器串联连接,另一端接地。 偏置电阻与片式电容器之间的节点通过连接线将由谐振电路内设置的带状线组成的谐振器连接起来,由此设置在谐振电路内的振荡晶体管的发射极通过偏置电阻和谐振器接地。 此外,并联谐振电路由谐振器和片式电容器组成。