Orrick, Herrington & Sutcliffe LLP
Power amplifier with an output matching network
Provided herein is a power amplifier having a multiple stage power amplifier section and an output matching network section. The multiple stage power amplifier section can include multiple power amplifier stages with interstage matching circuits located therebetween. The output matching network can be configured to match the multiple stage power amplifier section at multiple different frequencies or frequency bands. The power amplifier device is capable of selective operation within one of multiple different frequencies or frequency bands.
The Regents of the University of California
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Haitao Huai Guann-Pyng
Zhang Gao Li