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http://dx.doi.org/10.5515/KJKIEES.2010.21.12.1380

Development of Planar Active Electronically Scanned Array(AESA) Radar Prototype for Airborne Fighter  

Chong, Min-Kil (LIG NEX1 ISR R&D Lab)
Kim, Dong-Yoon (LIG NEX1 ISR R&D Lab)
Kim, Sang-Keun (LIG NEX1 ISR R&D Lab)
Chon, Sang-Mi (LIG NEX1 ISR R&D Lab)
Na, Hyung-Gi (LIG NEX1 ISR R&D Lab)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.21, no.12, 2010 , pp. 1380-1393 More about this Journal
Abstract
This paper presents a design, fabrication and the test results of planar active electronically scanned array(AESA) radar prototype for airborne fighter applications using transmit/receive(T/R) module hybrid technology. LIG Nex1 developed a AESA radar prototype to obtain key technologies for airborne fighter's radar. The AESA radar prototype consists of a radiating array, T/R modules, a RF manifold, distributed power supplies, beam controllers, compact receivers with ADC(Analog-to-Digital Converter), a liquid-cooling unit, and an appropriate structure. The AESA antenna has a 590 mm-diameter, active-element area capable of containing 536 T/R modules. Each module is located to provide a triangle grid with $14.7\;mm{\times}19.5\;mm$ spacing among T/R modules. The array dissipates 1,554 watts, with a DC input of 2,310 watts when operated at the maximum transmit duty factor. The AESA radar prototype was tested on near-field chamber and the results become equal in expected beam pattern, providing the accurate and flexible control of antenna beam steering and beam shaping.
Keywords
AESA Radar; T/R Module; Airborne;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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