Electronically tuned power amplifier
US7202734B1 · kind B1 · utility
202Cited by
16References
64Claims
0Family size
Inventor
Key dates
| Filing date | Jul 6, 2000 |
| Grant date | Apr 10, 2007 |
| Priority date | — |
| Expiry date | Feb 18, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/391
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A circuit and method for electronically tuning an RF power amplifier. The output filter includes at least one electronically variable reactance. The electronically tuned power amplifier may be tuned rapidly to a selected frequency, to a selected impedance, or to produce a selected output amplitude. An optional controller translates frequency, impedance, or modulation inputs into tuning signals. High-efficiency, wideband amplitude modulation is produced by varying the amplifier load impedance along preferred loci.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.