Invention Application
- Patent Title: Performing Image Rejection On Bandpass Signals
- Patent Title (中): 在带通信号上执行图像抑制
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Application No.: US13921375Application Date: 2013-06-19
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Publication No.: US20140376651A1Publication Date: 2014-12-25
- Inventor: John Khoury , Yan Zhou
- Applicant: Silicon Laboratories Inc.
- Main IPC: H03D1/04
- IPC: H03D1/04

Abstract:
An image rejection (IR) circuit is configured to receive a complex signal from a radio frequency (RF) mixer, where the complex signal includes an in-phase signal portion and a quadrature signal portion. This IR circuit may include: an in-phase path to remove first mismatch information from the in-phase signal portion and associated with at least one in-phase multi-tap filter; a quadrature path to remove second mismatch information from the quadrature signal portion and associated with at least one quadrature multi-tap filter; and a correlation unit to independently update each of the multiple taps of the in-phase multi-tap filter and the quadrature multi-tap filter according to a priority scheme.
Public/Granted literature
- US09036740B2 Performing image rejection on bandpass signals Public/Granted day:2015-05-19
Information query
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