发明申请
- 专利标题: Signal Processor Suitable for Low Intermediate Frequency (LIF) or Zero Intermediate Frequency (ZIF) Operation
- 专利标题(中): 信号处理器适用于低中频(LIF)或零中频(ZIF)操作
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申请号: US12571092申请日: 2009-09-30
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公开(公告)号: US20110076977A1公开(公告)日: 2011-03-31
- 发明人: Abdulkerim L. Coban , Alessandro Piovaccari , Ramin Khoini-Poorfard , James T. Kao
- 申请人: Abdulkerim L. Coban , Alessandro Piovaccari , Ramin Khoini-Poorfard , James T. Kao
- 申请人地址: US TX Austin
- 专利权人: Silicon Laboratories, Inc.
- 当前专利权人: Silicon Laboratories, Inc.
- 当前专利权人地址: US TX Austin
- 主分类号: H04B1/06
- IPC分类号: H04B1/06
摘要:
A signal processor for a radio frequency (RF) receiver includes a plurality of distributed signal processing elements, in which a first one receives an input signal and a last one provides an output signal, and a plurality of gain elements interspersed between pairs of said plurality of distributed signal processing elements. The signal processor also includes a like plurality of peak detectors coupled to outputs of corresponding ones of said plurality of gain elements, and an automatic gain controller having inputs coupled to outputs of each of the peak detectors, and outputs coupled to each of the plurality of gain elements. The automatic gain controller independently controls each of the plurality of gain elements to form a like plurality of independent automatic gain control (AGC) loops.
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