Inventor · disambiguated record
Alan L. Westwick
Also filed as: WESTWICK ALAN · WESTWICK ALAN L · WESTWICK ALAN LEE
57 granted patents·4 pending applications·1,003 citations·filing 1986–2019
99Inventor score
Files withSILICON LAB INC32MOTOROLA INC17BLACK SAND TECHNOLOGIES INC2MARTIN BRADLEY2WESTWICK ALAN L2
Top patents by PatentIndex Score
61 records- 0199US7421251B2Precise frequency generation for low duty cycle transceivers using a single crystal oscillatorSILICON LAB INC·Filed 2005·Granted Sep 2, 2008·73 cites·13 claims
- 0297US4697152AFully differential switched capacitor amplifier having autozeroed common-mode feedbackMOTOROLA INC·Filed 1986·Granted Sep 29, 1987·83 cites·6 claims
- 0396US11057029B2Gate driver with integrated miller clampSILICON LAB INC·Filed 2019·Granted Jul 6, 2021·18 cites·21 claims
- 0495US8378724B2Controlling a frequency locked loopSILICON LAB INC·Filed 2010·Granted Feb 19, 2013·16 cites·22 claims
- 0595US5945878ASingle-ended to differential converterMOTOROLA INC·Filed 1998·Granted Aug 31, 1999·127 cites·20 claims
- 0694US7714674B2System and method for calibrating bias current for low power RTC oscillatorSILICON LAB INC·Filed 2007·Granted May 11, 2010·28 cites·18 claims
- 0792US8238068B2Electrical over-stress detection circuitSHANNON DONELSON ARTHUR·Filed 2010·Granted Aug 7, 2012·19 cites·21 claims
- 0890US5457433ALow-power inverter for crystal oscillator buffer or the likeMOTOROLA INC·Filed 1993·Granted Oct 10, 1995·62 cites·22 claims
- 0989US8050313B2Single chip low power fully integrated 802.15.4 radio platformSILICON LAB INC·Filed 2007·Granted Nov 1, 2011·23 cites·10 claims
- 1089US7908500B2Low power retention flip-flopsSILICON LAB INC·Filed 2007·Granted Mar 15, 2011·27 cites·13 claims
- 1189US5446420AMethod and apparatus for reducing jitter and improving testability of an oscillatorMOTOROLA INC·Filed 1993·Granted Aug 29, 1995·48 cites·12 claims
- 1288US7873856B2Microcontroller unit having power supply voltage monitorSILICON LAB INC·Filed 2007·Granted Jan 18, 2011·14 cites·18 claims
- 1388US7622963B2General purpose comparator with multiplexer inputsSILICON LAB INC·Filed 2007·Granted Nov 24, 2009·16 cites·19 claims
- 1486US7821441B2SAR analog-to-digital converter having variable currents for low power mode of operationSILICON LAB INC·Filed 2008·Granted Oct 26, 2010·17 cites·18 claims
- 1585US9503113B1Apparatus for offset trimming and associated methodsSILICON LAB INC·Filed 2015·Granted Nov 22, 2016·5 cites·20 claims
- 1685US5049831ASingle-ended input to differential output amplifier with integral two-pole filterMOTOROLA INC·Filed 1990·Granted Sep 17, 1991·42 cites·11 claims
- 1785US4720686ACircuit for converting a fully differential amplifier to a single-ended output amplifierMOTOROLA INC·Filed 1987·Granted Jan 19, 1988·31 cites·9 claims
- 1884US7446613B2Power amplifier input structure having a differential outputBLACK SAND TECHNOLOGIES INC·Filed 2006·Granted Nov 4, 2008·11 cites·16 claims
- 1984US7233199B2Circuit and method of establishing DC bias levels in an RF power amplifierSILICON LAB INC·Filed 2006·Granted Jun 19, 2007·10 cites·20 claims
- 2083US8513989B1Integrated circuit, micro-controller unit, and method including a synchronous sampling controllerMARTIN BRADLEY·Filed 2012·Granted Aug 20, 2013·7 cites·20 claims
- 2183US8023557B2Hardware synchronizer for 802.15.4 radio to minimize processing power consumptionSILICON LAB INC·Filed 2007·Granted Sep 20, 2011·13 cites·11 claims
- 2283US7768242B2DC/DC boost converter with resistorless current sensingSILICON LAB INC·Filed 2007·Granted Aug 3, 2010·19 cites·9 claims
- 2383US5059820ASwitched capacitor bandgap reference circuit having a time multiplexed bipolar transistorMOTOROLA INC·Filed 1990·Granted Oct 22, 1991·46 cites·8 claims
- 2482US7873854B2System for monitoring power supply voltageSILICON LAB INC·Filed 2007·Granted Jan 18, 2011·10 cites·24 claims
- 2581US8825921B2Technique and system to control a driver stateWESTWICK ALAN L·Filed 2010·Granted Sep 2, 2014·6 cites·20 claims
- 2681US7852061B2Band gap generator with temperature invariant current correction circuitSILICON LAB INC·Filed 2007·Granted Dec 14, 2010·12 cites·8 claims
- 2779US10581241B2Clamping inductive flyback voltage to reduce power dissipationSILICON LAB INC·Filed 2017·Granted Mar 3, 2020·3 cites·21 claims
- 2879US9641186B2Apparatus for digital-to-analog conversion with improved performance and associated methodsSILICON LAB INC·Filed 2015·Granted May 2, 2017·3 cites·20 claims
- 2979US7956787B2SAR analog-to-digital converter having differing bit modes of operationSILICON LAB INC·Filed 2008·Granted Jun 7, 2011·11 cites·15 claims
- 3076US7372327B2Input structure for a power amplifier and associated methodsSILICON LAB INC·Filed 2006·Granted May 13, 2008·7 cites·19 claims
- 3175US4737732ALow voltage operational amplifier having a substantially full range output voltageMOTOROLA INC·Filed 1987·Granted Apr 12, 1988·21 cites·9 claims
- 3271US8880749B2Apparatus for mixed signal interface circuitry and associated methodsSILICON LAB INC·Filed 2012·Granted Nov 4, 2014·2 cites·20 claims
- 3369US9966960B2Configurable logic circuit including dynamic lookup tableSILICON LAB INC·Filed 2014·Granted May 8, 2018·4 cites·19 claims
- 3468US9874887B2Voltage regulator with adjustable feedbackYAN SHOULI·Filed 2012·Granted Jan 23, 2018·3 cites·21 claims
- 3568US4647865AParasitic insensitive switched capacitor input structure for a fully differential operational amplifierMOTOROLA INC·Filed 1986·Granted Mar 3, 1987·17 cites·6 claims
- 3666US9590630B2Apparatus for mixed signal interface circuitry and associated methodsSILICON LAB INC·Filed 2016·Granted Mar 7, 2017·1 cites·20 claims
- 3766US8914563B2Integrated circuit, system, and method including a shared synchronization busMARTIN BRADLEY·Filed 2012·Granted Dec 16, 2014·2 cites·19 claims
- 3865US7064605B2Circuit and method of establishing DC bias levels in an RF power amplifierSILICON LAB INC·Filed 2003·Granted Jun 20, 2006·9 cites·24 claims
- 3964US6034562AMixed signal processing system and method for powering sameMOTOROLA INC·Filed 1995·Granted Mar 7, 2000·22 cites·20 claims
- 4062US7675364B2Circuit and method of establishing DC bias levels in an RF power amplifierBLACK SAND TECHNOLOGIES INC·Filed 2007·Granted Mar 9, 2010·3 cites·19 claims
- 4161US9515671B1Apparatus for gain selection with compensation for parasitic elements and associated methodsSILICON LAB INC·Filed 2015·Granted Dec 6, 2016·1 cites·20 claims
- 4261US7802113B2MCU with on-chip boost converter controllerSILICON LAB INC·Filed 2006·Granted Sep 21, 2010·5 cites·24 claims
- 4360US9710031B2Analog interface for a microprocessor-based deviceWESTWICK ALAN L·Filed 2010·Granted Jul 18, 2017·1 cites·12 claims
- 4460US7161427B2Input structure for a power amplifier and associated methodsSILICON LAB INC·Filed 2003·Granted Jan 9, 2007·8 cites·30 claims
- 4560US7113045B2Power amplifier input structure having a differential outputSILICON LAB INC·Filed 2003·Granted Sep 26, 2006·8 cites·21 claims
- 4659US7212070B2Circuit and method of reducing noise in an RF power amplifierSILICON LAB INC·Filed 2003·Granted May 1, 2007·9 cites·11 claims
- 4758US4636738AParasitic compensated switched capacitor integratorMOTOROLA INC·Filed 1986·Granted Jan 13, 1987·16 cites·5 claims
- 4857US9236867B2Apparatus for mixed signal interface circuitry and associated methodsSILICON LAB INC·Filed 2014·Granted Jan 12, 2016·0 cites·20 claims
- 4955US5045773ACurrent source circuit with constant outputMOTOROLA INC·Filed 1990·Granted Sep 3, 1991·16 cites·17 claims
- 5051US4782305ADifferential input-single output two pole filter implemented by a single amplifierMOTOROLA INC·Filed 1987·Granted Nov 1, 1988·9 cites·8 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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