Title :
A Blocker Filtering Technique for Wireless Receivers
Author_Institution :
Broadcom, Irvine, CA
Abstract :
A filtering technique to remove out-of-band blockers in wireless receivers is presented. The circuit employs a feedforward filtering path to produce an arbitrarily narrow frequency response in the LNA, relaxing mixer linearity requirements. A prototype amplifier is implemented in a 65nm CMOS process. A stop-band rejection of over 21 dB is achieved.
Keywords :
feedforward amplifiers; filters; low noise amplifiers; receivers; wireless channels; 65 nm; CMOS process; blocker filtering technique; feedforward filtering path; frequency response; prototype amplifier; stop-band rejection; wireless receivers; Band pass filters; Bandwidth; Circuit noise; Filtering; Frequency response; GSM; Noise figure; Radio frequency; SAW filters; Switches;
Conference_Titel :
Solid-State Circuits Conference, 2007. ISSCC 2007. Digest of Technical Papers. IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
1-4244-0853-9
Electronic_ISBN :
0193-6530
DOI :
10.1109/ISSCC.2007.373599
