Slew rate control apparatus for digital microphones
US9386370B2 · kind B2 · utility
1Cited by
8References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2014 |
| Grant date | Jul 5, 2016 |
| Priority date | — |
| Expiry date | Sep 2, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A driver, includes a driver block, a controller block, and a comparison block. The driver block includes an adjustable current source configured to produce a digital output stream. The controller block is coupled to the driver block. The comparison block is coupled to the driver block and the controller block. The comparison block is configured to compare the digital output stream to a reference value at a time delayed with respect to a master clock and based upon the comparison cause the controller block to adjust a strength of the driver block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.