Lower-noise microwave amplifying circuit

Details Lower-noise microwave amplifying circuit Lower-noise microwave amplifying circuit

1988-02-11

1989-06-06

Gensler, Paul

Amplifiers

With semiconductor amplifying device

Including distributed parameter-type coupling

333 26, 333 33, 333263, H03F 360

Patent

active

048375241

ABSTRACT:
A lower-noise microwave amplifying circuit for use in a lower-noise converter includes a metallic conductor for use in performance adjustment. The metallic conductor projects from the microstrip line and is provided near a bendable connecting portion between an input coaxial rod in a coaxial waveguide conversion portion and a microstrip line for constructing one portion of an amplifying circuit. Therefore, the lower-noise microwave amplification circuit is easily adjusted for improving the basic characteristics such as input VSWR or the like and is simpler in construction.

REFERENCES:
patent: 3638148 (1972-01-01), Hallford et al.
patent: 3796976 (1974-03-01), Heng et al.
patent: 4618838 (1986-10-01), Kajiwara et al.
patent: 4679249 (1987-07-01), Tanake et al.

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