Microwave receiving device

Details Microwave receiving device Microwave receiving device

1988-07-05

1990-01-23

Clawson, Jr., Joseph E.

Communications: radio wave antennas

Antennas

Wave guide type

343756, 333 21A, H01Q 1302

Patent

active

048961639

ABSTRACT:
A microwave receiving device of this invention includes a primary radiator and a low-noise converter arranged integrally therewith. One end of a chassis of the microwave receiving device is connected to a flange having an opening shape designed to provide a predetermined directivity characteristics. A waveguide as a primary radiator having a circular cross section is arranged along substantially the entire length of the chassis. A circularly polarized wave generator is arranged in the waveguide to convert a circularly polarized wave propagating through the waveguide into a vertically polarized wave. The vertically polarized wave converted by the circularly polarized wave generator is converted into an electrical signal by a probe. The probe is connected to microwave circuit boards mounted in the chassis. A microwave circuit serving as a low-noise converter is formed on the circuit boards. The electrical signal from the probe is processed by the microwave circuit formed on the circuit boards. The processed signal is externally output from a connector connected to the circuit boards.

REFERENCES:
patent: 4547901 (1985-10-01), Shibata et al.
patent: 4571593 (1986-02-01), Martinson
patent: 4608713 (1986-08-01), Shiomi et al.
patent: 4613989 (1986-09-01), Fende et al.
patent: 4672388 (1987-06-01), Grim
patent: 4679249 (1987-07-01), Tanaka et al.

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