Auto gain controllers, and communication terminals having the same
US8111102B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2010 |
| Grant date | Feb 7, 2012 |
| Priority date | — |
| Expiry date | Feb 26, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2203/45136
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An auto gain controller is provided. The auto gain controller includes a variable gain amplification unit configured to receive differential input signals, adjust an amplification gain based on an auto gain control voltage and output differential output signals. The auto gain controller also includes a peak detector configured to detect at least one peak value among the amplified differential output signals, a comparator configured to compare the at least one detected peak value with a reference voltage and generate a comparison signal, and a voltage adjusting circuit configured to adjust the auto gain control voltage and the reference voltage based on the comparison signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.