Constant current biasing circuit for linear power amplifiers
US7443246B2 · kind B2 · utility
16Cited by
13References
26Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 21, 2003 |
| Grant date | Oct 28, 2008 |
| Priority date | — |
| Expiry date | Oct 21, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/513
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A constant current bias approach that receives an input bias voltage and maintains a temperature independent constant current bias in a linear amplifier device. Integrated sense circuitry protects against unacceptable input voltages to guarantee bias stability. Fabrication in multiple semiconductor technologies and assembly into a single package allows for optimum cost and performance of DC bias and RF amplifier sections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.