发明授权
- 专利标题: DC offset reduction in a zero-if transmitter
- 专利标题(中): 零点发送器中的直流偏移减小
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申请号: US85439申请日: 1993-06-30
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公开(公告)号: US5584059A公开(公告)日: 1996-12-10
- 发明人: William J. Turney , Paul H. Gailus
- 申请人: William J. Turney , Paul H. Gailus
- 申请人地址: IL Schaumburg
- 专利权人: Motorola, Inc.
- 当前专利权人: Motorola, Inc.
- 当前专利权人地址: IL Schaumburg
- 主分类号: H03C1/06
- IPC分类号: H03C1/06 ; H03C3/08 ; H03D7/16 ; H04B1/04
摘要:
A zero-IF transmitter (200) has a DC offset, representative of a carrier feedthrough signal. A value to correct the DC offset is successively approximated (207). A summer (201) adds the value to a desired input to reduce the DC offset.
公开/授权文献
- USD421626S Marker handle pad 公开/授权日:2000-03-14
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