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    • 4. 发明申请
    • Oscillator circuit for generating a high-frequency electromagnetic oscillation
    • 用于产生高频电磁振荡的振荡电路
    • US20060049884A1
    • 2006-03-09
    • US10537855
    • 2003-12-04
    • Andreas Kollmann
    • Andreas Kollmann
    • H03B5/32
    • H03B5/36H03B5/06
    • An oscillator circuit for generating a high-frequency electromagnetic oscillation, comprises:—an amplifier configuration with at least one input and at least one output,—an oscillator crystal connected to at least one of the outputs of the amplifier configuration,—a bandpass filter configuration, which is connected, with at least one input, to the oscillator crystal and the at least one output of the amplifier configuration connected to the oscillator crystal, and back coupled, with at least one output, to the input, or at least one of the inputs, of the amplifier configuration. Through dimensioning of the amplitude-frequency characteristic and/or the phase-frequency characteristic of the band-pass filter configuration as a function of the amplitude-frequency characteristic and the phase-frequency characteristic of the amplifier configuration and the crystal oscillator, the oscillation condition is hereby fulfilled exclusively for a selected harmonic of the oscillator crystal, and the high-frequency, electromagnetic oscillation formed by this selected harmonic of the oscillator crystal is available at the output of the bandpass filter configuration. This oscillator circuit is simply constructed and enables operation that is at least largely non-susceptible to interference.
    • 一种用于产生高频电磁振荡的振荡器电路,包括: - 具有至少一个输入和至少一个输出的放大器配置 - 振荡器晶体连接到放大器配置的至少一个输出, - 一个带通滤波器 配置,其与至少一个输入连接到振荡器晶体和连接到振荡器晶体的放大器配置的至少一个输出,并且与至少一个输出反向耦合到输入或至少一个 的输入,放大器配置。 通过根据放大器配置和晶体振荡器的幅频特性和相频特性的函数对带通滤波器配置的幅频特性和/或相频特性进行尺寸确定,振荡条件 专门用于振荡器晶体的选定谐波,并且在带通滤波器配置的输出处可获得由该振荡晶体的选择谐波形成的高频电磁振荡。 该振荡器电路简单地构造并且使得至少在很大程度上不易受干扰的操作。