Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7852061 | Band gap generator with temperature invariant current correction circuit | Jia-Hau Liu, Douglas S. Piasecki | 2010-12-14 |
| 7821441 | SAR analog-to-digital converter having variable currents for low power mode of operation | Xiaoling Guo | 2010-10-26 |
| 7802113 | MCU with on-chip boost converter controller | Ka Y. Leung | 2010-09-21 |
| 7768242 | DC/DC boost converter with resistorless current sensing | Dazhi Wei | 2010-08-03 |
| 7714674 | System and method for calibrating bias current for low power RTC oscillator | Xiaoling Guo | 2010-05-11 |
| 7675364 | Circuit and method of establishing DC bias levels in an RF power amplifier | Susanne A. Paul | 2010-03-09 |
| 7622963 | General purpose comparator with multiplexer inputs | — | 2009-11-24 |
| 7446613 | Power amplifier input structure having a differential output | Timothy J. Dupuis, Susanne A. Paul | 2008-11-04 |
| 7421251 | Precise frequency generation for low duty cycle transceivers using a single crystal oscillator | Douglas R. Holberg | 2008-09-02 |
| 7372327 | Input structure for a power amplifier and associated methods | Timothy J. Dupuis, Susanne A. Paul | 2008-05-13 |
| 7233199 | Circuit and method of establishing DC bias levels in an RF power amplifier | Susanne A. Paul | 2007-06-19 |
| 7212070 | Circuit and method of reducing noise in an RF power amplifier | Susanne A. Paul | 2007-05-01 |
| 7161427 | Input structure for a power amplifier and associated methods | Timothy J. Dupuis, Susanne A. Paul | 2007-01-09 |
| 7113045 | Power amplifier input structure having a differential output | Timothy J. Dupuis, Susanne A. Paul | 2006-09-26 |
| 7064605 | Circuit and method of establishing DC bias levels in an RF power amplifier | Susanne A. Paul | 2006-06-20 |
| 6034562 | Mixed signal processing system and method for powering same | Luis A. Bonet, Mauricio A. Zavaleta, James A. Tuvell, David E. Bush, Michael D. Floyd | 2000-03-07 |
| 5945878 | Single-ended to differential converter | Kevin B. Traylor | 1999-08-31 |
| 5633640 | Method and apparatus for a data converter with a single operational amplifier | Todd L. Barker | 1997-05-27 |
| 5511126 | Method and apparatus for reducing jitter and improving testability of an oscillator | — | 1996-04-23 |
| 5457433 | Low-power inverter for crystal oscillator buffer or the like | — | 1995-10-10 |
| 5446420 | Method and apparatus for reducing jitter and improving testability of an oscillator | — | 1995-08-29 |
| 5160894 | Digital frequency synthesizer and method of frequency synthesis | — | 1992-11-03 |
| 5059820 | Switched capacitor bandgap reference circuit having a time multiplexed bipolar transistor | — | 1991-10-22 |
| 5049831 | Single-ended input to differential output amplifier with integral two-pole filter | — | 1991-09-17 |
| 5045773 | Current source circuit with constant output | Roger A. Whatley | 1991-09-03 |