发明授权
- 专利标题: Dynamic bandwidth filter for an FM receiver
- 专利标题(中): FM接收机的动态带宽滤波器
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申请号: US11752261申请日: 2007-05-22
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公开(公告)号: US07729679B1公开(公告)日: 2010-06-01
- 发明人: Chris Cheng-Chieh Lee
- 申请人: Chris Cheng-Chieh Lee
- 申请人地址: BM Hamilton
- 专利权人: Marvell International Ltd.
- 当前专利权人: Marvell International Ltd.
- 当前专利权人地址: BM Hamilton
- 主分类号: H04B1/10
- IPC分类号: H04B1/10 ; H04Q7/20
摘要:
In an apparatus, method, and system for reducing interference with an input signal to an FM receiver, a plurality of inputs are filtered by a first stage of filters. The outputs are received by an interference detector and further processed by a second filtering stage, an energy calculation stage, and a comparator stage. A switch, responsive to the outputs of the comparator stage, may output one of the first stage filter outputs based on a first set of comparator outputs and may output an interpolated value determined by the first stage filter outputs and based on a second set of comparator outputs.
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