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    • 91. 发明申请
    • RADIO RECEIVER
    • 无线接收器
    • US20070111688A1
    • 2007-05-17
    • US11558785
    • 2006-11-10
    • Takeshi UenoTetsuro ItakuraRui ItoHiroshi YoshidaHidenori Okuni
    • Takeshi UenoTetsuro ItakuraRui ItoHiroshi YoshidaHidenori Okuni
    • G06F3/033
    • H04B1/30
    • A radio receiver, including: a receiver configured to receive a radio signal; a frequency converter configured to generate a baseband signal by converting frequency the radio signal; a subtractor configured to generate a differential signal by subtracting an analog signal from the baseband signal; an amplifier configured to generate an amplified differential signal by amplifying the difference signal by a first amplification factor or a second amplification factor; an analog-digital converter configured to convert the amplified difference signal to a digital signal; an integrator configured to generate an integration signal by integrating a value indicated by the digital signal; a memory configured to store the integration signal into a first address when the amplifier amplifies the difference signal by the first amplification factor, and configured to store the integration signal into a second address when the amplifier amplifies the difference signal by the second amplification factor; and a digital-analog converter configured to generate the analog signal by converting the integration signal stored in the first address of the memory when the amplifier amplifies the difference signal by the first amplification factor, and configured to generate the analog signal by converting the integration signal stored in the second address of the memory when the amplifier amplifies the difference signal by the second amplification factor.
    • 一种无线电接收机,包括:被配置为接收无线电信号的接收机; 变频器,被配置为通过将频率转换成无线电信号来产生基带信号; 减法器,被配置为通过从所述基带信号中减去模拟信号来产生差分信号; 放大器,被配置为通过以第一放大因子或第二放大因子放大差分信号来产生放大的差分信号; 模拟数字转换器,被配置为将放大的差分信号转换为数字信号; 积分器,被配置为通过对由数字信号指示的值进行积分来产生积分信号; 存储器,被配置为当放大器将差分信号放大第一放大因子时将积分信号存储到第一地址中,并且被配置为当放大器将差分信号放大第二放大因子时将积分信号存储为第二地址; 以及数模转换器,被配置为当放大器将差分信号放大第一放大因子时,通过转换存储在存储器的第一地址中的积分信号来产生模拟信号,并且被配置为通过转换积分信号 当放大器将差分信号放大第二放大因子时,存储在存储器的第二地址中。