Communications: radio wave antennas – Antennas – Microstrip
Patent
1988-02-16
1989-07-11
Hille, Rolf
Communications: radio wave antennas
Antennas
Microstrip
343829, 01Q 138, H01Q 138
Patent
active
048476250
ABSTRACT:
A wideband, aperture-coupled microstrip antenna comprising a multilayer structure and including a feed layer, a ground plane including an aperture therethrough, a plurality of tuning layers formed of dielectric material, at least one of the tuning layers including therein a tuning element in the form of an electrically-conductive material, herein called a tuning patch, and final radiating layer including a radiating patch. The multiple tuning layers serve to extend the operational bandwidth of the antenna as compared to other microstrip antennas. Aperture coupling allows realization of the antenna using integrated circuit fabication techniques without the shortcoming of direct physical connections between the feedline and the radiator, and thus providing simple, yet reliable coupling between the feedline and the antenna.
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James et al., Microstrip Antenna Theory and Design, IEE, 1981: Peter Peregrinus Ltd., Chapter 10.
Pozar, D. M., "Microstrip Antenna Aperture-Coupled to a Microstripline," Electronics Letters, vol. 21, pp. 49-50, Jan. 1985.
I-Ping Yu, "Multiband Microstrip Antenna," NASA Tech Briefs, Spring 1980, MSC-18334, Johnson Space Center.
Sabban, A., "A New Broadband Stacked Two-Layered Microstrip Antenna," Digest, 1983 IEEE AP-S International Symposium, May 23-26, pp. 63-66 1983 (CH1860-6/83).
Dietrich Fred J.
Hwang Yeongming
Kilburg Francis J.
Tsao Chich-Hsing A.
Allen Kenneth R.
Ford Aerospace Corporation
Hille Rolf
Radlo Edward J.
Wimer Michael C.
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