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    • 1. 发明申请
    • CIRCUIT ARRANGEMENT FOR PRODUCING RADIO-FREQUENCY OUTPUT SIGNALS FORMED BY A BROADBAND FREQUENCY RAMP
    • 电路,用于产生宽带频率斜坡侧高频输出入信号
    • WO2012031684A8
    • 2012-09-20
    • PCT/EP2011004209
    • 2011-08-22
    • KROHNE MESSTECHNIK GMBHPOHL NILSMUSCH THOMAS
    • POHL NILSMUSCH THOMAS
    • H03L7/185H03L7/23
    • H03L7/185H03L7/235H03L2207/05H03L2207/12
    • A circuit arrangement for production of radio-frequency output signals formed by a broadband frequency ramp is described and illustrated, having a reference oscillator (1), a phase detector (2), a loop filter (3), a VC oscillator (4) for production of the output signals, a frequency divider (5), a step-down mixer (7) and a local oscillator (8) for production of a local oscillator signal, wherein the reference oscillator (1), the phase detector (2), the loop filter (3), the VC oscillator (4), the frequency divider (5) and the step-down mixer (7) belong to a phase locked loop, the frequency divider (5) and the step-down mixer (7) are located in the feedback path of the phase locked loop, the step-down mixer (7) mixes the output signals and the local oscillator signal, and the frequency of the output signal can be adjusted by variation of the division ratio of the frequency divider (5). According to the invention, the characteristic of the output signal is improved with the aid of the adjustable frequency of the local oscillator signal.
    • 描述和示出的电路装置,用于产生一个宽频带频率斜坡形成的高频输出信号,包括参考振荡器(1),相位检测器(2),环路滤波器(3),一个VC-振荡器(4),用于产生输出信号,分频器( 5),一个下转换器(7)和用于产生本地振荡器信号,其中所述参考振荡器(1),相位检测器(2),环路滤波器(3)中,VC-振荡器(4),所述分频器的本地振荡器(8)(5 )和下变频器(7)属于一个锁相环,分频器(5)和下变频器(7)是在锁相环的反馈路径,所述下混频器(7)通过改变所述分频比混合的输出信号和本地振荡器信号和所述输出信号的频率 分频器(5)可调。 根据输出信号的特性,通过本振信号的可调频率来改善。