Issued Patents All Time
Showing 51–75 of 102 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7515652 | Digital modulator for a GSM/GPRS/EDGE wireless polar RF transmitter | — | 2009-04-07 |
| 7499680 | Translational loop transmitter architecture employing channel power ratio measurements for modulation accuracy calibration | Hong Shi | 2009-03-03 |
| 7480344 | Architectural techniques for envelope and phase signal alignment in RF polar transmitters using power amplifier feedback | Alireza Zolfaghari, Ahmadreza (Reza) Rofougaran | 2009-01-20 |
| 7474709 | Frequency shift keying modulator and applications thereof | Tom Baker | 2009-01-06 |
| 7471737 | Hardware efficient FSK demodulator | Paul Lettieri | 2008-12-30 |
| 7469137 | Radio receiver DC offset cancellation via ADC input bias | — | 2008-12-23 |
| 7443930 | Complex digital phase locked loop for use in a demodulator and method of optimal coefficient selection | — | 2008-10-28 |
| 7439885 | Method and system for sample rate conversion | — | 2008-10-21 |
| 7429891 | Method and system for low noise amplifier (LNA) gain adjustment through narrowband received signal strength indicator (NRSSI) | Hooman Darabi, Brima Ibrahim | 2008-09-30 |
| 7409194 | Calibrating an RF transmitter | Hong Shi | 2008-08-05 |
| 7406136 | Channel select filter and applications thereof | — | 2008-07-29 |
| 7405630 | Frequency synthesizer with improved spurious performance | — | 2008-07-29 |
| 7403962 | Interpolation filter design and application | — | 2008-07-22 |
| 7398071 | Loop filter with gear shift for improved fractional-N PLL settling time | — | 2008-07-08 |
| 7397863 | Implementation technique for linear phase equalization in multi-mode RF transmitters | — | 2008-07-08 |
| 7394881 | Radio receiver and/or transmitter including a programmable equalizer | — | 2008-07-01 |
| 7394869 | RF transmitter architecture for continuous switching between modulation modes | Brima Ibrahim | 2008-07-01 |
| 7394862 | Multi-mode wireless polar transmitter architecture | Ahmadreza (Reza) Rofougaran | 2008-07-01 |
| 7386283 | Translational loop RF transmitter architecture for GSM radio | — | 2008-06-10 |
| 7375595 | Method and apparatus for calibrating a phase locked loop in open-loop | Louie Serrano, Alireza Zolfaghari, Paul Lettieri, Hea Joung Kim, Hooman Darabi +1 more | 2008-05-20 |
| 7372917 | Digital algorithm for on-line ACPR optimization in polar RF transmitters | — | 2008-05-13 |
| 7362251 | Method and system for digital to analog conversion for power amplifier driver amplitude modulation | Alireza Zolfaghari | 2008-04-22 |
| 7349680 | Method and system for using PSK sync word for fine tuning frequency adjustment | Brima Ibrahim, Hea Joung Kim, Siukai Mak | 2008-03-25 |
| 7349677 | Hardware efficient RF transceiver I/Q imbalance compensation based upon taylor approximation | — | 2008-03-25 |
| 7324789 | PLL frequency synthesizer architecture for low phase noise and reference spurs | — | 2008-01-29 |