Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11437980 | Frequency to digital converter, asynchronous phase sampler and digitally controlled oscillator methods | Enrique Alvarez-Fontecilla, Amr Eissa | 2022-09-06 |
| 10735005 | Multi-rate DEM with mismatch noise cancellation for digitally-controlled oscillators | Enrique Alvarez-Fontecilla | 2020-08-04 |
| 10158366 | Digital fractional-N PLL based upon ring oscillator delta-sigma frequency conversion | Colin Weltin-Wu | 2018-12-18 |
| 9602113 | Fast frequency throttling and re-locking technique for phase-locked loops | Marzio Pedrali-Noy | 2017-03-21 |
| 9461657 | Foreground and background bandwidth calibration techniques for phase-locked loops | — | 2016-10-04 |
| 9397691 | Mostly-digital open-loop ring oscillator delta-sigma ADC and methods for conversion | Gerry Taylor | 2016-07-19 |
| 9054687 | VCO with linear gain over a very wide tuning range | Ashok Swaminathan | 2015-06-09 |
| 8542138 | Ring oscillator delta sigma ADC modulator with replica path nonlinearity calibration | Gerry Taylor | 2013-09-24 |
| 7999622 | Adaptive phase noise cancellation for fractional-N phase locked loop | Ashok Swaminathan | 2011-08-16 |
| 7986250 | Nonlinearity robust successive requantizer | Ashok Swaminathan | 2011-07-26 |
| 7953174 | Radio transmission frequency digital signal generation | Peter M. Asbeck | 2011-05-31 |
| 7652532 | Correlation method for monitoring power amplifier | Mingyuan Li, Peter M. Asbeck, Lawrence E. Larson | 2010-01-26 |
| 7602323 | Digital background correction of nonlinear error ADC's | Andrea Panigada | 2009-10-13 |
| 7006028 | Digital background cancellation of digital to analog converter mismatch noise in analog to digital converters | — | 2006-02-28 |
| 6816100 | Analog-to-digital converters with common-mode rejection dynamic element matching, including as used in delta-sigma modulators | Eric Fogelman, Henrick T. Jensen | 2004-11-09 |
| 6734818 | Digital cancellation of D/A converter noise in pipelined A/D converters | — | 2004-05-11 |
| 6697004 | Partial mismatch-shaping digital-to-analog converter | Jorge Grilo, Kevin Jia-Nong Wang | 2004-02-24 |
| 6683506 | CMOS phase locked loop with voltage controlled oscillator having realignment to reference and method for the same | Sheng Ye | 2004-01-27 |
| 6476748 | Method and apparatus for cyclic return to zero techniques for digital to analog convertors | — | 2002-11-05 |
| 5684482 | Spectral shaping of circuit errors in digital-to-analog converters | — | 1997-11-04 |
| 5369404 | Combined angle demodulator and digitizer | — | 1994-11-29 |
| 5261408 | Variable origin-variable acoustic scanning method and apparatus | Samuel H. Maslak, Hugh G. Larsen, Joel S. Chaffin, Paul E. Chandler, Mehebub S. Karmali | 1993-11-16 |
| 5235986 | Variable origin-variable angle acoustic scanning method and apparatus for a curved linear array | Samuel H. Maslak, Hugh G. Larsen, Joel S. Chaffin, Paul E. Chandler, Mehebub S. Karmali | 1993-08-17 |
| 5196852 | Analog-to-digital converter using parallel .DELTA..SIGMA. modulators | — | 1993-03-23 |
| 5148810 | Variable origin-variable angle acoustic scanning method and apparatus | Samuel H. Maslak, Hugh G. Larsen, Joel S. Chaffin, Paul E. Chandler, Mehebub S. Karmali | 1992-09-22 |