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    振蕩器電路(Oscillator Circuit)的基本結構

    振蕩器電路(Oscillator Circuit)的基本結構

    從最基本層面來看,振蕩器電路需要由一個諧振電路、一個晶體管放大器和一個反饋電路組成。

    1、Tank Circuit 諧振電路

    The tank circuit consists of an inductance L connected in parallel with capacitor C. The values of these two components determine the frequency of the oscillator circuit and hence this is called as Frequency determining circuit.
    諧振電路由與電容器C并聯的電感L組成。這兩個分量的值決定了振蕩器電路的頻率,因此這被稱為頻率確定電路。

    2、Transistor Amplifier 晶體管放大器–

    The output of the tank circuit is connected to the amplifier circuit so that the oscillations produced by the tank circuit are amplified here. Hence the output of these oscillations are increased by the amplifier.
    諧振電路的輸出連接到放大器電路,以便諧振電路產生的振蕩在這里被放大。因此,這些振蕩的輸出由放大器放大。

    3、Feedback Circuit 反饋電路

    The function of feedback circuit is to transfer a part of the output energy to LC circuit in proper phase. This feedback is positive in oscillators while negative in amplifiers.
    反饋電路的功能是將部分輸出能量以適當的相位傳輸到LC電路。該反饋在振蕩器中為正,而在放大器中為負。

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