A chopped intermediate frequency (IF) wireless receiver is disclosed. The wireless receiver includes a local oscillator (LO), a first and a second mixers, an LO frequency control module, an IF filter, a digital down converter and a down conversion controller. The LO provides a local oscillating signal...http://www.google.com.tw/patents/US7206560?utm_source=gb-gplus-share專利 US7206560 - Chopped intermediate frequency wireless receiver
