Patch radiator element with microstrip balian circuit providing

Details Patch radiator element with microstrip balian circuit providing Patch radiator element with microstrip balian circuit providing

1987-11-03

1990-05-08

Hille, Rolf

Communications: radio wave antennas

Antennas

Microstrip

343830, 343859, H01Q 138

Patent

active

049242369

ABSTRACT:
A low-profile patch radiator for use in an array antenna has a multilayer structure which includes a double-tuned impedance matching network and balun and a coaxial feed for linear polarization of the radiated waves. A second embodiment further includes a second double-tuned impedance matching network and balun and a second coaxial feed for dual polarization operation. The matching networks/baluns, which comprise microstrip circuits on Duroid substrates, increase the frequency bandwidth of the patch radiator.

REFERENCES:
patent: 3757342 (1973-09-01), Jasik et al.
patent: 4042935 (1977-08-01), Ajioka et al.
patent: 4089003 (1978-05-01), Conroy
patent: 4320402 (1982-03-01), Bowen
patent: 4414550 (1983-11-01), Tresselt
patent: 4477813 (1984-10-01), Weiss
patent: 4575725 (1986-03-01), Tresselt
patent: 4660048 (1987-04-01), Doyle
patent: 4783661 (1988-11-01), Smith
Carver et al., Microstrip Antenna Technology, IEEE Trans. on Ant's and Prop., vol. AP-29, No. 1, Jan. 1981.

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