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

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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

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US 7433431B2    Staggered AGC with digitally control VGA

Neil Birkett. Filed Sep. 12, 2003, Publication Oct. 7, 2008

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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

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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

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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

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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

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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

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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