发明申请
- 专利标题: Mixed-Mode Receiver Circuit Including Digital Gain Control
- 专利标题(中): 包括数字增益控制的混合模式接收器电路
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申请号: US12790405申请日: 2010-05-28
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公开(公告)号: US20110235758A1公开(公告)日: 2011-09-29
- 发明人: Ramin Khoini-Poorfard , Alan F. Hendrickson , Alessandro Piovaccari , David S. Trager , Aslamali A. Rafi , Abdulkerim L. Coban , David Le Goff
- 申请人: Ramin Khoini-Poorfard , Alan F. Hendrickson , Alessandro Piovaccari , David S. Trager , Aslamali A. Rafi , Abdulkerim L. Coban , David Le Goff
- 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: H04L27/08
- IPC分类号: H04L27/08 ; H04B1/06 ; H04N5/08
摘要:
A receiver circuit includes an analog front-end and a digital processing unit. The analog front-end includes an input for receiving a radio frequency (RF) signal, a first control input for receiving a gain adjustment signal, a second control input for receiving a timing signal, and a signal output for providing a digital intermediate frequency (IF) signal. The analog front-end updates gains of a plurality of gain stages according to the gain adjustment signal and in synchronism with the timing signal. The digital processing unit is configured to produce at least one output signal derived from the digital IF signal. The digital processing unit includes a timing recovery circuit configured to generate the timing signal based on the digital IF signal to control timing of the updating gains of each of the plurality of adjustable gain stages.
公开/授权文献
- US08848110B2 Mixed-mode receiver circuit including digital gain control 公开/授权日:2014-09-30
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