Wireless receiver apparatus provided with gain control amplifier
US7920840B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2007 |
| Grant date | Apr 5, 2011 |
| Priority date | — |
| Expiry date | Feb 2, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G3/3078
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
In a wireless receiver apparatus including a gain control amplifier for controlling a gain of a reception signal, a maintaining device compulsorily maintains the gain of the gain control amplifier at a predetermined fixed value only in a predetermined specified interval. The maintaining device includes a latch circuit for maintaining a gain set value immediately prior to the specified interval. A start timing of the specified interval is determined by an edge of a predetermined timer start signal, and a duration of the specified interval is determined on the basis of a count of a predetermined timer clock signal and a count of a predetermined timer count set bus signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.