Apparatus, system and method for power amplifier control
US10411661B1 · kind B1 · utility
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2References
13Claims
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Key dates
| Filing date | Jun 1, 2018 |
| Grant date | Sep 10, 2019 |
| Priority date | — |
| Expiry date | Jun 1, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/481
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An apparatus for power amplifier control is provided, applied to a multi-stage power amplifier. The apparatus controls an input voltage of an amplification triode in the first amplification stage, by using a detected current change at a base of an amplification triode in the last amplification stage, achieving control of output power and a maximum output current of the multi-stage power amplifier, greatly reducing an influence of current detection on maximum output power and maximum output efficiency of the power amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.