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    • 2. 发明授权
    • Control circuit for tuning a high-frequency input circuit
    • 用于调谐高频输入电路的控制电路
    • US4760535A
    • 1988-07-26
    • US699403
    • 1985-02-07
    • Martin Englmeier
    • Martin Englmeier
    • H03J1/00H03J3/18H03J3/28H03J3/10H03J3/16
    • H03J3/185H03J3/28H03J1/0033
    • A control circuit for tuning a high-frequency input circuit comprises, in addition to a first adjustable component 5 which is directly controlled by a control voltage, further adjustable components 6, 10 which are likewise under the influence of a control voltage UD and UR, respectively. In order to enable individual alignment of the further components in a simple manner, there is fed to the further controllable components 6, 10 via an electronic circuit arrangement 7 one correction voltage each, which supports or weakens the control voltage in its effect and effects the respectively required alignment. The correction voltages are dependent upon the control voltage UD which is fed solely to the first adjustable component 5.
    • 用于调谐高频输入电路的控制电路除了由控制电压直接控制的第一可调节部件5之外,还包括同样受控制电压UD和UR的影响的可调节部件6,10, 分别。 为了能够以简单的方式实现对其它部件的单独对准,通过电子电路装置7将一个校正电压馈送到另外的可控部件6,10,每个校正电压支持或削弱其效果中的控制电压, 分别要求对齐。 校正电压取决于仅被馈送到第一可调组件5的控制电压UD。