Patents
US7194044B2 Up/down conversion circuitry for radio transceiver
Alexander Neil Birkett, • Priority 2002-05-22 • Filing 2002-05-22 • Grant 2007-03-20 • Publication 2007-03-20
US7212581B2 Up / down conversion circuitry for radio transceiver
Alexander Neil Birkett Alexander Neil Birkett
Priority 2002-05-22 • Filing 2006-04-18 • Grant 2007-05-01 • Publication 2007-05-01
US 7433431B2 Staggered AGC with digitally control VGA
Neil Birkett. Filed Sep. 12, 2003, Publication Oct. 7, 2008
US6977976B1 Complex filtering/AGC radio receiver architecture for low-IF or zero-IF
Neil Birkett • Skyworks Solutions, Inc. • Priority 1999-11-15 • Filing 2000-09-29 • Grant 2005-12-20 • Publication 2005-12-20
US8350970B2 Radio frequency front end for television band receiver and spectrum sensor
Neil Birkett • Wi-Lan, Inc.
Priority 2009-09-30 • Filing 2009-09-30 • Grant 2013-01-08 • Publication 2013-01-08
US6785346B1 Complex phase-locked loop demodulator for low-IF and zero-IF radio receivers
Neil Birkett Skyworks Solutions, Inc.
Priority 1999-10-04 • Filing 2000-09-29 • Grant 2004-08-31 • Publication 2004-08-31
US6317062B1 Method and apparatus for dynamically generating multiple level decision thresholds of an M-ARY coded signal
Neil Birkett Philsar Semiconductor, Inc.
Priority 2000-09-29 • Filing 2000-09-29 • Grant 2001-11-13 • Publication 2001-11-13
EP0482033B1 Saw device tapped delay line and apparatus using same
Alexander Neil Birkett Northern Telecom Limited
Priority 1989-07-19 • Filing 1990-07-11 • Grant 1993-12-08 • Publication 1993-12-08
US5051709A Saw device tapped delay line and equalizer
Inventor Alexander N. Birkett Paul A. Kennard Thomas P. Cameron Barry A. Syrett Stephen G. Barber Mark S. Suthers
Nortel Networks Ltd
Priority date 1989-07-19 Filing date 1989-07-20 Publication date 1991-09-24 Grant date 1991-09-24