Variable gain amplifier
US7282995B2 · kind B2 · utility
1Cited by
1References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2005 |
| Grant date | Oct 16, 2007 |
| Priority date | — |
| Expiry date | May 8, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G3/3042
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A high frequency amplifier arrangement comprises a first stage with a modulator receiving a baseband signal, and a controllable current shunting device coupled with the modulator; a second stage coupled with the first stage comprising a gain controllable emitter follower; a third stage comprising a gain controllable amplifier coupled with the second stage; and a gain control unit for providing control signals for the first, second and third stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.