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1.发明授权Offset nulling for decreasing offset between currents in a differential signaling system 有权用于减小差分信号系统中电流之间的偏移量的偏移归零公开(公告)号：US07825714B1
公开(公告)日：2010-11-02
申请号：US12137984
申请日：2008-06-12
IPC分类号： H03L5/00
CPC分类号： H03K19/018528 , H03K5/003 , H03K19/00361
摘要： Systems and methods for nulling offsets in differential signaling systems are described. A first circuit may be configured to sense the difference between a first differential current and a second differential current and provide a sense signal to an adjustment circuit. The adjustment circuit may be configured to generate a correction signal based on the sense signal, where the correction signal is combined with the first differential current to reduce the offset between the first differential current and the second differential current. Alternately, the correction signal may be combined with the first and second differential currents to reduce the offset. The process may be repeated until the corrected first differential current and the second differential current are within a desired tolerance.
摘要翻译： 描述了差分信号系统中的零位补偿的系统和方法。 第一电路可以被配置为感测第一差分电流和第二差分电流之间的差异，并且向调节电路提供感测信号。 调整电路可以被配置为基于感测信号产生校正信号，其中校正信号与第一差分电流组合以减小第一差分电流和第二差分电流之间的偏移。 或者，校正信号可以与第一和第二差分电流组合以减小偏移。 可以重复该过程，直到校正的第一差分电流和第二差分电流在期望的公差内。
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公开(公告)号：US07522017B1
公开(公告)日：2009-04-21
申请号：US11111680
申请日：2005-04-21
申请人： John Groe , Marc Facchini
发明人： John Groe , Marc Facchini
IPC分类号： H03H7/01
CPC分类号： H03H7/0153 , H03H7/03 , H03H11/44 , H03H2007/013 , H03H2210/012
摘要： System for high-Q integrated RF filters. A filter system is provided that comprises a resonate LC filter and a Q-enhancement circuit coupled to the resonate LC filter, wherein the Q-enhancement circuit operates to improve a quality factor of the filter system.
摘要翻译： 高Q集成RF滤波器系统。 提供一种滤波器系统，其包括耦合到谐振LC滤波器的谐振LC滤波器和Q增强电路，其中Q增强电路用于改善滤波器系统的品质因数。
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