Power amplifier with an output matching network

Details Power amplifier with an output matching network Power amplifier with an output matching network

2006-04-28

2009-10-13

Choe, Henry K (Department: 2817)

Amplifiers

Signal feedback

In cascade amplifiers

C330S302000, C330S310000

Reexamination Certificate

active

07602240

ABSTRACT:
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.

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A.C. Colter and E.R. Brown, The feasibility of a variable output matching circuit in a high-power SSPA, IEEE, 2002, pp. 189-191, Dept. of Electrical Engineering, University of California, Los Angeles.
Haitao Zhang et al, A novel tunable broadband power amplifier module operating from 0.8 GHz to 2.0 GHz, IEEE, 2005, pp. 661-664, Electrical Engineering & Computer Science, Integrated Nanosystems Research Facility, University of California, Irvine.
Seungwoo Kim et al, CDMA handset power amplifier with a switched output matching circuit for low/high power mode operations, IEEE MTT-S Digest, 2004, pp. 1523-1526, Dept. of Electronic and Electrical Engineering and Microwave Application Research Center, Pohang University of Science and Technology, Kyoungbuk, Korea.

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