Issued Patents All Time
Showing 51–75 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7398073 | Low noise mixer | Rajasekhar Pullela, Dmitriy Rozenblit | 2008-07-08 |
| 7366484 | Systems and methods for adjusting the bias level of a mixer in a transmitter | — | 2008-04-29 |
| 7355463 | Loop filter integration in phase-locked loops | Edward Youssoufian | 2008-04-08 |
| 7356318 | Quadrature subharmonic mixer | — | 2008-04-08 |
| 7332973 | Circuit and method for digital phase-frequency error detection | Hoon Lee | 2008-02-19 |
| 7271656 | Sliding bias circuit for enabling dynamic control of quiescent current in a linear power amplifier | Christophe Joly | 2007-09-18 |
| 7091759 | Loop filter integration in phase-locked loops | Edward Youssoufian | 2006-08-15 |
| 7084704 | Variable gain amplifier system | — | 2006-08-01 |
| 6952567 | Envelope error extraction in IF/RF feedback loops | — | 2005-10-04 |
| 6838938 | Communication system and arrangements comprising such a communication system | Dominicus Martinus Wilhelmus Leenaerts | 2005-01-04 |
| 6822312 | Interdigitated multilayer capacitor structure for deep sub-micron CMOS | Vickram Vathulya | 2004-11-23 |
| 6791418 | Capacitor coupled dynamic bias boosting circuit for a power amplifier | Sifen Luo | 2004-09-14 |
| 6747307 | Combined transistor-capacitor structure in deep sub-micron CMOS for power amplifiers | Vickram Vathulya | 2004-06-08 |
| 6657425 | Power measurement circuit including harmonic filter | Sifen Luo | 2003-12-02 |
| 6624700 | Radio frequency power amplifier for cellular telephones | Sifen Luo | 2003-09-23 |
| 6593797 | High-frequency integrated transistor module | — | 2003-07-15 |
| 6570210 | Multilayer pillar array capacitor structure for deep sub-micron CMOS | Vickram Vathulya | 2003-05-27 |
| 6556084 | Linearized class C amplifier with dynamic biasing | — | 2003-04-29 |
| 6515547 | Self-biased cascode RF power amplifier in sub-micron technical field | — | 2003-02-04 |
| 6498533 | Bootstrapped dual-gate class E amplifier circuit | — | 2002-12-24 |
| 6496074 | Cascode bootstrapped analog power amplifier circuit | — | 2002-12-17 |
| 6492875 | Self-boosting circuit for a power amplifier | Sifen Luo, Chris Joly, Kerry Burger | 2002-12-10 |
| 6456163 | High-frequency amplifier circuit having a directly-connected bias circuit | Sifen Luo | 2002-09-24 |
| 6448855 | Accurate power detection circuit for use in a power amplifier | Sifen Luo | 2002-09-10 |
| 6417734 | High-frequency amplifier circuit with negative impedance cancellation | Sifen Luo | 2002-07-09 |