Bi-directional spatial power combiner grid amplifier

Details Bi-directional spatial power combiner grid amplifier Bi-directional spatial power combiner grid amplifier

1994-09-13

1996-01-02

Mullins, James B.

Amplifiers

With plural amplifier channels

Redundant amplifier circuits

330295, H03F 368

Patent

active

054812232

ABSTRACT:
A bi-directional spatial power combiner grid amplifier has an array of parasitic elements between the lens and the amplifier. The elements have different impedances to radiation of a first polarization (incident radiation) and of a second polarization which is orthogonal to the first (amplified radiation), thereby providing impedance matching to both the input and the output of the grid amplifier. The elements preferably are separated slots or dipoles (some in each direction of polarization), crossed slots or dipoles, or micropatches.

REFERENCES:
patent: 4588962 (1986-05-01), Saito et al.
patent: 5214394 (1993-05-01), Wong
patent: 5329248 (1994-07-01), Izadian
"A Grid Amplifier" IEEE Microwave and Guided Wave Letters, vol. 1, No. 11, Nov. 1991, Moonil Kim, et al., pp. 322-324.
"Bi-Directional Spatial Power Combiner for Millimeter-Wave Solid State Amplifiers" Work Shop on Milimeter Wave Power Generation and Beam Control, Sep. 14, 1993, Sam H. Wong, et al.
McGraw-Hill Dictionary of Scientific and Technical Terms, Fourth Edition, Sybil P. Parker, Editor in Chief, McGraw-Hill Book Company, p. 548 copyright 1989.

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