Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7449960 | Frequency modulation linearization system for a Fractional-N offset PLL | Ryan Lee Bunch, Alexander Wayne Hietala | 2008-11-11 |
| 7412215 | System and method for transitioning from one PLL feedback source to another | Alexander Wayne Hietala, Jeffery Peter Ortiz | 2008-08-12 |
| 7288999 | Pre-distortion system for a synthesizer having modulation applied in the reference path | Alexander Wayne Hietala, Ryan Lee Bunch, Barry Travis Hunt, Jr. | 2007-10-30 |
| 7274229 | Coarse tuning for fractional-N synthesizers | Ryan Lee Bunch | 2007-09-25 |
| 7098754 | Fractional-N offset phase locked loop | Ryan Lee Bunch, Barry Travis Hunt, Jr., Alexander Wayne Hietala | 2006-08-29 |
| 7064591 | Coarse tuning for fractional-N synthesizers | Ryan Lee Bunch | 2006-06-20 |
| 6891414 | Digital calibration for capacitor voltage non-linearity | Ryan Lee Bunch, Barry Travis Hunt, Jr., Paul G. Martyniuk, Christopher Truong Ngo | 2005-05-10 |
| 6838951 | Frequency synthesizer having VCO bias current compensation | Ralph Christopher Nieri, Tracy R. Hall | 2005-01-04 |
| 6779010 | Accumulator with programmable full-scale range | Alex Wayne Hietala | 2004-08-17 |
| 6731145 | Phase-locked loop having loop gain and frequency response calibration | Barry Travis Hunt, Jr. | 2004-05-04 |
| 6724265 | Compensation for oscillator tuning gain variations in frequency synthesizers | — | 2004-04-20 |
| 6710664 | Coarse tuning for fractional-N synthesizers | Ralph Christopher Nieri | 2004-03-23 |
| 6693468 | Fractional-N synthesizer with improved noise performance | Alex Wayne Hietala | 2004-02-17 |
| 6573782 | Sigma delta FM ratio detector | Raymond Louis Barrett, Jr., Barry W. Herold | 2003-06-03 |
| 6448831 | True single-phase flip-flop | Barry Travis Hunt, Jr. | 2002-09-10 |
| 6385276 | Dual-modulus prescaler | Barry Travis Hunt, Jr. | 2002-05-07 |
| 6370365 | Selective call radio having an integrated frequency conversion circuit | Edgar H. Callaway, Jr., Keith Jackoski | 2002-04-09 |
| 6252434 | Voltage comparator | Manbir Singh Nag | 2001-06-26 |
| 6211583 | High speed current switch | — | 2001-04-03 |
| 6100730 | Prescaler system circuits | Darrell Davis | 2000-08-08 |
| 6087894 | Low power precision current reference | Raymond Louis Barrett, Jr., Barry W. Herold, Lawrence Case | 2000-07-11 |
| 6064869 | Suppression of noise between phase lock loops in a selective call receiver and method therefor | Darrell Davis | 2000-05-16 |
| 6002273 | Linear low noise phase-frequency detector | — | 1999-12-14 |
| 5939911 | Frequency prescaler method and apparatus responsive to low input drive levels | Darrell Davis, Barry W. Herold | 1999-08-17 |
| 5805095 | Two's complement digital to analog converter | Raymond Louis Barrett, Jr., Lawrence Case | 1998-09-08 |