Broadband 8-12 GHz 8 x 8 Modified Butler Matrix

被引：1

作者：

Madeti, Santhi Swaroop ^{[1
]}

Salahuddin, Zulfiqar ^{[2
]}

Pearce, Nolan R. ^{[3
]}

Saddow, Stephen E. ^{[1
]}

Mumcu, Gokhan ^{[1
]}

Vassallo, Frank ^{[2
]}

Duncan, Katherine ^{[3
]}

机构：

[1] Univ S Florida, Dept Elect Engn, Tampa, FL 33620 USA

[2] TECOMSYS, Clearwater, FL 33765 USA

[3] US Mil Acad, West Point, NY 10996 USA

来源：

SOUTHEASTCON 2021 | 2021年

关键词：

X-Band Butler Matrix; Beamforming; Beam-steering; directional coupler; phase shifter;

D O I：

10.1109/SOUTHEASTCON45413.2021.9401867

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

A modified 8 x 8 Butler Matrix was simulated, fabricated, and measured for operation at X-band. The butler matrix network feed is a passive circuit approach for beamforming and controlling the direction of the antenna beams for communication between ground stations and Low Earth Orbit-Satellites for Command and Control functions. The phase progression difference (PPD) performance of 0 degrees, +/- 45 degrees, +/- 90 degrees, +/- 135 degrees and 180 degrees was measured. Simulated and measured performance are verified in the X-Band, 8-12 GHz operating frequency range with Amplitude Imbalance of +/- 0.7 dB (simulated) and +/- 1 dB (measured), and Phase Imbalance of +/- 10 degrees (simulated) and +/- 15 degrees (measured).

引用

页码：58 / 63

页数：6

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