MMIC power amplifier with diagonal circuitry

Details MMIC power amplifier with diagonal circuitry MMIC power amplifier with diagonal circuitry

1998-01-20

1999-09-14

Pascal, Robert

Amplifiers

With semiconductor amplifying device

Including plural amplifier channels

330307, 257341, H03F 368, H03F 314, H01L 2976

Patent

active

059528869

ABSTRACT:
A multistage MMIC power amplifier with diagonal oriented field effect transistors (FETs) provides higher power output for a smaller MMIC die size. Corporate feed structures divide the RF input signal and combine the RF output signals and in a base two fashion. The corporate feed structures allow the FETs of the amplifier stages operate in-phase with adjacent circuitry appearing as an even-mode open circuit. The MMIC power amplifier is suitable for applications where reduced size, high efficiency and high gain are important, such as in commercial communication systems.

REFERENCES:
patent: 5066925 (1991-11-01), Freitag
patent: 5111157 (1992-05-01), Komiak
patent: 5519358 (1996-05-01), Tserng
patent: 5757046 (1998-05-01), Fujihira et al.

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