Auto-tuning amplifier
US7917117B2 · kind B2 · utility
12Cited by
2References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2008 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Nov 24, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2203/45394
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
This document discloses, among other things, a front end circuit having a selectable center frequency. The center frequency is selected based on a control signal proportional to a phase difference between a reference frequency and an amplifier output. A resonant frequency of a tank circuit coupled to the amplifier is tuned using the control signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.