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    • 10. 发明申请
    • FRONT END INTERFACE FOR DATA RECEIVER
    • 数据接收器的前端接口
    • US20060159200A1
    • 2006-07-20
    • US10905705
    • 2005-01-18
    • Louis HsuMatt Cordrey-GaleJames MasonPhillip MurfetKarl SelanderMichael SornaHuihao Xu
    • Louis HsuMatt Cordrey-GaleJames MasonPhillip MurfetKarl SelanderMichael SornaHuihao Xu
    • H04L27/22
    • H04L25/0274H04L25/0296
    • A data receiver is provided which includes a front end interface circuit having an alternating current (AC) transmission receiving mode and a direct current (DC) transmission receiving mode. The front end interface circuit includes an offset compensation circuit operable to compensate a DC voltage offset between a pair of differential signals input to the data receiver. The front end interface circuit further includes an AC/DC selection unit operable to switch between (a) the DC transmission receiving mode, and (b) the AC transmission receiving mode, such that the data receiver is operable in (i) the DC transmission mode in which the offset compensation circuit is disabled, (ii) the DC transmission mode in which the offset compensation circuit is enabled, (iii) the AC transmission mode in which the offset compensation circuit is disabled, and (iv) the AC transmission receiving mode in which the offset compensation circuit is enabled.
    • 提供一种数据接收器,其包括具有交流(AC)发送接收模式和直流(DC)发送接收模式的前端接口电路。 前端接口电路包括偏移补偿电路,其可操作以补偿输入到数据接收器的一对差分信号之间的直流电压偏移。 前端接口电路还包括可操作以在(a)直流发送接收模式和(b)交流发送接收模式之间切换的AC / DC选择单元,使得数据接收器可操作于(i)直流传输 偏移补偿电路被禁用的模式,(ii)使能偏移补偿电路的直流传输模式,(iii)偏移补偿电路被禁用的AC传输模式,以及(iv)AC传输接收 偏移补偿电路使能的模式。