Broadband circular polarization arrangement for microstrip array

Details Broadband circular polarization arrangement for microstrip array Broadband circular polarization arrangement for microstrip array

1984-06-25

1989-09-12

Sikes, William L.

Communications: radio wave antennas

Antennas

Microstrip

H01Q 0000

Patent

active

048664510

ABSTRACT:
The invention relates to a circular polarization (CP) technique and a microstrip array antenna implementing this technique. Using four microstrip radiating elements with proper phasing of the excitation in a 2.times.2 array configuration, the technique averages out the cross-polarized component of the radiation, generating circular polarization of high purity. The technique is broadband and capable of dual-polarized operation. The resultant 2.times.2 array can be used either independently as a CP radiator or as the building subarray for a larger array.

REFERENCES:
patent: 3921177 (1975-11-01), Munson
patent: 4477813 (1984-10-01), Weiss
patent: 4543579 (1985-09-01), Teshirogi
patent: 4554549 (1985-11-01), Fassett et al.

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