Oscillator for providing oscillation signal with controllable frequency
    5.
    发明授权
    Oscillator for providing oscillation signal with controllable frequency 有权
    用于提供具有可控频率的振荡信号的振荡器

    公开(公告)号:US07863993B1

    公开(公告)日:2011-01-04

    申请号:US12206448

    申请日:2008-09-08

    IPC分类号: H03B5/36 H03C3/22

    摘要: An oscillator, including amplifier circuitry and resonant circuitry, for providing an oscillation signal with a controllable frequency while maintaining a substantially constant steady state magnitude. Controllable reactive circuitry, included as part of the amplifier circuitry, has a reactance which can be controlled such that the resistive components of the amplifier circuitry and resonant circuitry impedances remain substantially equal. When in the form of serially coupled, controllable capacitances, the controllable reactive circuitry is controlled such that a ratio of changes in the controllable capacitances is approximately equal to a negative ratio of the capacitance values.

    摘要翻译: 包括放大器电路和谐振电路的振荡器,用于在保持基本恒定的稳态幅度的同时提供具有可控频率的振荡信号。 作为放大器电路的一部分包括的可控无功电路具有可以被控制的电抗,使得放大器电路和谐振电路阻抗的电阻分量保持基本相等。 当以串联耦合的可控电容的形式,可控电抗被控制使得可控电容的变化比大致等于电容值的负比。