Dual (constant voltage/constant current) bias supply for linear power amplifiers
US6922107B1 · kind B1 · utility
28Cited by
6References
1Claims
0Family size
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Key dates
| Filing date | Dec 18, 2003 |
| Grant date | Jul 26, 2005 |
| Priority date | — |
| Expiry date | Jan 11, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/451
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An RF amplifier comprises a power amplifier and a dual bias circuit. A dual bias circuit comprises a constant current source and a constant voltage source for biasing the power amplifier. The power may include a heterojunction bipolar transistor (HBT) or a bipolar junction transistor (BJT).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.