Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7400128 | Current-mode bandgap reference voltage variation compensation | — | 2008-07-15 |
| 7215185 | Threshold voltage extraction for producing a ramp signal with reduced process sensitivity | — | 2007-05-08 |
| 6922470 | Hybrid DC-feed controller for a subscriber line interface circuit | Christopher Lee Betty | 2005-07-26 |
| 6904145 | ADSL front-end in a low voltage process that accommodates large line voltages | Patrick P. Siniscalchi, Richard K. Hester, Glenn H. Westphal | 2005-06-07 |
| 6897701 | Method and structure for improving the linearity of MOS switches | Feng Chen, Christopher Lee Betty | 2005-05-24 |
| 6894548 | Circuit for modifying a clock signal to achieve a predetermined duty cycle | James R. Hochschild | 2005-05-17 |
| 6621346 | Impedance matching for programmable gain amplifiers | Joseph Nabicht, Kazi I. Islam, Subahashish Mukherjee | 2003-09-16 |
| 6433722 | Differential current multiplexer for current switched DACs | Daramana Gata | 2002-08-13 |
| 6366230 | Pipelined analog-to-digital converter | Weibiao Zhang, Richard K. Hester | 2002-04-02 |
| 5995546 | Digital integrator for pulse-density modulation using an adder carry or an integrator overflow | — | 1999-11-30 |
| 5029305 | Method and apparatus for error correction in thermometer code arrays | — | 1991-07-02 |
| 4453258 | Automatic gain control circuit | — | 1984-06-05 |