Issued Patents All Time
Showing 76–99 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6724830 | High efficiency line driver for high crest-factor signals such as DMT/ADSL signals | Gary Do, Wendell B. Sander | 2004-04-20 |
| 6690215 | Sigma-delta-based frequency synthesis | Wendell B. Sander | 2004-02-10 |
| 6636112 | High-efficiency modulating RF amplifier | — | 2003-10-21 |
| 6587018 | Notch filter and method | Ronald A. Meck, Edwin Ray Twitchell | 2003-07-01 |
| 6567491 | High efficiency line driver for high crest-factor signals such as DMT/ADSL signals | Wendell B. Sander | 2003-05-20 |
| 6377784 | High-efficiency modulation RF amplifier | — | 2002-04-23 |
| 6366177 | High-efficiency power modulators | Wendell B. Sander | 2002-04-02 |
| 6323731 | Variable bias control for switch mode RF amplifier | — | 2001-11-27 |
| 6215355 | Constant impedance for switchable amplifier with power control | Ronald A. Meck, Lawrence M. Burns | 2001-04-10 |
| 6198347 | Driving circuits for switch mode RF power amplifiers | Wendell B. Sander, Ronald A. Meck | 2001-03-06 |
| 6112071 | Quadrature-free RF receiver for directly receiving angle modulated signal | — | 2000-08-29 |
| 5952895 | Direct digital synthesis of precise, stable angle modulated RF signal | Wendell B. Sander | 1999-09-14 |
| 5731773 | Half-order hold direct digital frequency synthesis | — | 1998-03-24 |
| 5675292 | Phase lock loop enabling smooth loop bandwidth switching over a wide range | — | 1997-10-07 |
| 5651035 | Apparatus for reducing jitter of a spectrum spread clock signal and method therefor | Orhan Tozun | 1997-07-22 |
| 5646955 | Apparatus for measuring cycle to cycle jitter of a digital signal and method therefor | Orhan Tozun | 1997-07-08 |
| 5532462 | Method of and apparatus for heating a reaction vessel with microwave energy | Robert J. Butwell, Michael L. Green, Hugo Huey, James R. Legarra, Ross L. WILCOX | 1996-07-02 |
| 5491458 | Apparatus for spreading the spectrum of a signal and method therefor | Narendar Venugopal | 1996-02-13 |
| 5321799 | Signalling transition control in a modulated-signal communications system | — | 1994-06-14 |
| 5306971 | Binary controlled digital tapped delay line | — | 1994-04-26 |
| 5247469 | Digital frequency synthesizer and method with vernier interpolation | — | 1993-09-21 |
| 5053982 | Variable modulus digital synthesizer | — | 1991-10-01 |
| 4746880 | Number controlled modulated oscillator | — | 1988-05-24 |
| 4603305 | Apparatus and method for sweep oscillator calibration | — | 1986-07-29 |