Inventor
PARKHURST CHARLES
US22 patents
⚠️ This page may combine multiple inventors who share the name “PARKHURST CHARLES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEXAS INSTRUMENTS INC
15 patentsUS6710654B2Mar 23, 2004
Bipolar class AB folded cascode operational amplifier for high-speed applications
TEXAS INSTRUMENTS INC22 citations90
US7135927B2Nov 14, 2006
Ultra fast, low noise operational amplifier with dynamic biasing
TEXAS INSTRUMENTS INC11 citations83
US6784736B2Aug 31, 2004
Apparatus and method for indicating a difference between first and second voltage signals
TEXAS INSTRUMENTS INC7 citations73
US9793707B2Oct 17, 2017
Fast transient precision power regulation apparatus
TEXAS INSTRUMENTS INC5 citations72
US9571051B2Feb 14, 2017
Reducing common mode transconductance in instrumentation amplifiers
TEXAS INSTRUMENTS INC2 citations72
US6710655B2Mar 23, 2004
Bipolar emitter couple pair transconductor for high speed operational amplifiers
TEXAS INSTRUMENTS INC7 citations71
US7078962B2Jul 18, 2006
Dynamic current generator with asymmetric common-mode input range
TEXAS INSTRUMENTS INC5 citations62
US7362176B2Apr 22, 2008
High efficiency linear amplifier
TEXAS INSTRUMENTS INC3 citations58
US7307477B2Dec 11, 2007
Apparatus and method for affecting operation of a signal treating device
TEXAS INSTRUMENTS INC5 citations58
US7009450B2Mar 7, 2006
Low distortion and high slew rate output stage for voltage feedback amplifier
TEXAS INSTRUMENTS INC4 citations58
US10979006B2Apr 13, 2021
Chopper-stabilized current feedback amplifier
TEXAS INSTRUMENTS INC0 citations50
US7265445B2Sep 4, 2007
Integrated circuit package
TEXAS INSTRUMENTS INC1 citations48
US12474421B2Nov 18, 2025
Hall effect sensor with reduced JFET effect
TEXAS INSTRUMENTS INC0 citations43
US11658626B2May 23, 2023
Split miller compensation in two-stage differential amplifiers
TEXAS INSTRUMENTS INC0 citations43
US10284157B2May 7, 2019
Analog driver with built-in wave shaping
TEXAS INSTRUMENTS INC0 citations41
PARKHURST CHARLES
6 patentsUS4852708AAug 1, 1989
Spring shield for starter drives for internal combustion engines
PARKHURST CHARLES14 citations72
US9018923B2Apr 28, 2015
Dynamic bias soft start control apparatus and methods
PARKHURST CHARLES6 citations71
US8436682B1May 7, 2013
Fourth-order electrical current source apparatus, systems and methods
PARKHURST CHARLES5 citations71
US8390327B1Mar 5, 2013
Radiation-tolerant level shifting
PARKHURST CHARLES4 citations60
US9000844B2Apr 7, 2015
Power efficient transconductance amplifier apparatus and systems
PARKHURST CHARLES1 citations51
US8896323B2Nov 25, 2014
Radiation-tolerant overcurrent detection
PARKHURST CHARLES0 citations39