Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |