Power controller for RF transmitters
US5640691A · kind A · utility
49Cited by
10References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1994 |
| Grant date | Jun 17, 1997 |
| Priority date | — |
| Expiry date | Dec 19, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G7/001
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The present invention provides an RF transmitter network for cellular telephone systems. The network includes power amplifier circuitry which coupled to a closed loop control system to provide a controllable RF amplitude envelope for the output power of the amplifier circuitry over a dynamic range of between about 5 milliwatts and about 3200 milliwatts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.