Receiver
专利汇可以提供Receiver专利检索，专利查询，专利分析的服务。并且PURPOSE:To prevent intermodulation distortion of a strong electric field to electromagnetic waves, by setting a control range of control voltage of a varactor diode of an input dual tuning circuit to >=15V, and generating a tuning voltage with a control voltage generating circuit comprising an operation controlling circuit and an N-multiple rectifier circuit and the like. CONSTITUTION:An operation controlling circuit 21 of a tuning control voltage generating circuit gives frequency control data to a frequency synthesizer 23 based on reception wave data set from an operation panel (not shown), supplies an output to a D/A converter by executing the operation processing from the characteristics of the varactor diode, and inputs the converted signal to an operational amplifier 24. The output voltage V0 is supplied as a power supply voltage of inverters 33-35, and an output of an oscillation circuit of an oscillation circuit comprising inverters 27-29 is applied to an N-multiple (7-fold) rectifier circuit comprising capacitors 36-41 and diodes 43-48 via the inverters 33-35, and 7-fold voltage 7 V0 is obtained at the output. The deterioration in the linearity of the N-multiple rectifier circuit is compensated with the opposite phase feedback of an output voltage to the amplifier 24.，下面是Receiver专利的具体信息内容。
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