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    • 19. 发明授权
    • Demodulators
    • 解调器
    • US08120420B2
    • 2012-02-21
    • US12805338
    • 2010-07-27
    • Katsuhisa Ito
    • Katsuhisa Ito
    • H03D1/00H03D1/04H03D1/06H03D1/18
    • H04L27/3488H03D1/06
    • Disclosed herein is a demodulator, including: a splitting/matching section for carrying out a matching process of making the amplitude and phase of a first modulated signal match respectively the amplitude and phase of a second modulated signal; and a demodulation section for generating a demodulated signal on the basis of the first modulated signal and the second modulated signal, which have been subjected to the matching process carried out by the splitting/matching section, wherein the splitting/matching section has a splitting section, a first matching section, and a second matching section, the first circuit-element constants determining the first input impedance of the first matching section and the second circuit-element constants determining the second input impedance of the second matching section are set at values determined in advance in order to make the first input impedance equal to the second input impedance.
    • 这里公开了一种解调器,包括:分割/匹配部分,用于执行使第一调制信号的幅度和相位分别匹配第二调制信号的幅度和相位的匹配处理; 以及解调部分,用于根据经过分割/匹配部分执行的匹配处理的第一调制信号和第二调制信号产生解调信号,其中分离/匹配部分具有分离部分 第一匹配部分和第二匹配部分,确定第一匹配部分的第一输入阻抗的第一电路元件常数和确定第二匹配部分的第二输入阻抗的第二电路元件常数被设置为确定的值 以使第一输入阻抗等于第二输入阻抗。