| 9831840 |
Amplifier circuit and method for adaptive amplifier biasing |
— |
2017-11-28 |
| 8269475 |
Class DH amplifier |
Richard K. Hester |
2012-09-18 |
| 8143944 |
Method and apparatus for sensing a current for varying impedance loads |
Mayank Garg, Roy Clifton Jones, III |
2012-03-27 |
| 8115345 |
Variable timing switching system and method |
Richard K. Hester |
2012-02-14 |
| 7746123 |
Switching system with reduced EMI |
Richard K. Hester |
2010-06-29 |
| 7598822 |
Process, supply, and temperature insensitive integrated time reference circuit |
Narasimhan Rajagopal |
2009-10-06 |
| 7323793 |
System and method for driving one or more loads |
Eric Blackall, David J. Baldwin |
2008-01-29 |
| 7116172 |
High-swing folded cascode having a novel gain-boost amplifier |
— |
2006-10-03 |
| 7061332 |
Process tracking limiter for VCO control voltages |
Alexander Teutsch |
2006-06-13 |
| 6985045 |
Gain control circuits for voltage controlled oscillators |
Weibiao Zhang |
2006-01-10 |
| 6949984 |
Voltage controlled oscillator having control current compensation |
— |
2005-09-27 |
| 6927719 |
Segmented, current-mode digital-to-analog converter |
— |
2005-08-09 |
| 6904145 |
ADSL front-end in a low voltage process that accommodates large line voltages |
Richard K. Hester, Donald C. Richardson, Glenn H. Westphal |
2005-06-07 |
| 6522200 |
Process-insensitive, highly-linear constant transconductance circuit |
— |
2003-02-18 |
| 6147828 |
Method and apparatus for reducing asymmetry in a signal from a magneto-resistive read head |
Bryan E. Bloodworth, Davy H. Choi, Geert A. De Veirman |
2000-11-14 |
| 6046875 |
Linear transconductance circuit having a large linear range |
Davy H. Choi, Sen-Jung Wei |
2000-04-04 |
| 6011418 |
Method and apparatus for trimming a signal |
— |
2000-01-04 |
| 5994926 |
Circuit and method for programmably changing the transconductance of a transconductor circuit |
Davy H. Choi, William R. Krenik |
1999-11-30 |
| 5650950 |
Apparatus and method for accurately establishing a cut-off frequency in an electronic filter |
William R. Krenik, Michael D. Aragon |
1997-07-22 |
| 5528179 |
Constant capacitance prgrammable transconductance input stage |
William R. Krenik |
1996-06-18 |
| 5399994 |
Programmable voltage-controlled oscillator having control current generating and compensating circuits |
William R. Krenik |
1995-03-21 |