Inventor
WESTWICK ALAN L
US41 patents
⚠️ This page may combine multiple inventors who share the name “WESTWICK ALAN L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SILICON LAB INC
21 patentsUS7421251B2Sep 2, 2008
Precise frequency generation for low duty cycle transceivers using a single crystal oscillator
SILICON LAB INC73 citations98
US7714674B2May 11, 2010
System and method for calibrating bias current for low power RTC oscillator
SILICON LAB INC28 citations92
US7908500B2Mar 15, 2011
Low power retention flip-flops
SILICON LAB INC27 citations90
US11057029B2Jul 6, 2021
Gate driver with integrated miller clamp
SILICON LAB INC18 citations84
US7852061B2Dec 14, 2010
Band gap generator with temperature invariant current correction circuit
SILICON LAB INC12 citations84
US7768242B2Aug 3, 2010
DC/DC boost converter with resistorless current sensing
SILICON LAB INC19 citations84
US7622963B2Nov 24, 2009
General purpose comparator with multiplexer inputs
SILICON LAB INC16 citations84
US7233199B2Jun 19, 2007
Circuit and method of establishing DC bias levels in an RF power amplifier
SILICON LAB INC10 citations84
US8378724B2Feb 19, 2013
Controlling a frequency locked loop
SILICON LAB INC16 citations83
US7873856B2Jan 18, 2011
Microcontroller unit having power supply voltage monitor
SILICON LAB INC14 citations83
US7873854B2Jan 18, 2011
System for monitoring power supply voltage
SILICON LAB INC10 citations83
US9503113B1Nov 22, 2016
Apparatus for offset trimming and associated methods
SILICON LAB INC5 citations82
US7372327B2May 13, 2008
Input structure for a power amplifier and associated methods
SILICON LAB INC7 citations74
US7212070B2May 1, 2007
Circuit and method of reducing noise in an RF power amplifier
SILICON LAB INC9 citations74
US7161427B2Jan 9, 2007
Input structure for a power amplifier and associated methods
SILICON LAB INC8 citations74
US7113045B2Sep 26, 2006
Power amplifier input structure having a differential output
SILICON LAB INC8 citations74
US7064605B2Jun 20, 2006
Circuit and method of establishing DC bias levels in an RF power amplifier
SILICON LAB INC9 citations74
US9641186B2May 2, 2017
Apparatus for digital-to-analog conversion with improved performance and associated methods
SILICON LAB INC3 citations73
US10581241B2Mar 3, 2020
Clamping inductive flyback voltage to reduce power dissipation
SILICON LAB INC3 citations71
US7802113B2Sep 21, 2010
MCU with on-chip boost converter controller
SILICON LAB INC5 citations63
US9515671B1Dec 6, 2016
Apparatus for gain selection with compensation for parasitic elements and associated methods
SILICON LAB INC1 citations60
MOTOROLA INC
15 patentsUS5457433AOct 10, 1995
Low-power inverter for crystal oscillator buffer or the like
MOTOROLA INC62 citations96
US5446420AAug 29, 1995
Method and apparatus for reducing jitter and improving testability of an oscillator
MOTOROLA INC48 citations96
US4697152ASep 29, 1987
Fully differential switched capacitor amplifier having autozeroed common-mode feedback
MOTOROLA INC83 citations96
US5059820AOct 22, 1991
Switched capacitor bandgap reference circuit having a time multiplexed bipolar transistor
MOTOROLA INC46 citations92
US5049831ASep 17, 1991
Single-ended input to differential output amplifier with integral two-pole filter
MOTOROLA INC42 citations92
US4720686AJan 19, 1988
Circuit for converting a fully differential amplifier to a single-ended output amplifier
MOTOROLA INC31 citations92
US4737732AApr 12, 1988
Low voltage operational amplifier having a substantially full range output voltage
MOTOROLA INC21 citations82
US5511126AApr 23, 1996
Method and apparatus for reducing jitter and improving testability of an oscillator
MOTOROLA INC13 citations74
US5160894ANov 3, 1992
Digital frequency synthesizer and method of frequency synthesis
MOTOROLA INC9 citations74
US5045773ASep 3, 1991
Current source circuit with constant output
MOTOROLA INC16 citations74
US4785258ANov 15, 1988
CMOS amplifier circuit which minimizes power supply noise coupled via a substrate
MOTOROLA INC8 citations74
US4782305ANov 1, 1988
Differential input-single output two pole filter implemented by a single amplifier
MOTOROLA INC9 citations74
US4647865AMar 3, 1987
Parasitic insensitive switched capacitor input structure for a fully differential operational amplifier
MOTOROLA INC17 citations74
US4636738AJan 13, 1987
Parasitic compensated switched capacitor integrator
MOTOROLA INC16 citations74
US5633640AMay 27, 1997
Method and apparatus for a data converter with a single operational amplifier
MOTOROLA INC8 citations66