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http://dx.doi.org/10.5515/KJKIEES.2011.22.3.371

Design and Measurement of Active Phased Array Radar Digital Receiver  

Kim, Tae-Hwan (Radar R&D Center, Samsung Thales)
Lee, Sung-Ju (Radar R&D Center, Samsung Thales)
Lee, Dong-Hwi (Radar R&D Center, Samsung Thales)
Hong, Yun-Seok (Radar R&D Center, Samsung Thales)
Cho, Choon-Sik (Department of Information and Telecommunication Engineering, Korea Aerospace University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.22, no.3, 2011 , pp. 371-379 More about this Journal
Abstract
Active phased array antenna structure is used for modern multi-function radars. To search targets in high clutter environment, the radar receiver needs high dynamic range performance. Though active phased array antenna structure lead to increase of SNR, the SFDR is not increased. In this paper, high SFDR receiver of X-band active phased array radar was designed and manufactured. One channel digital receiver is connected to 32 T/R modules and one PCB assembly is composed to 2 channel digital receivers with RF part, ADC part, LO distribution part and digital down conversion part. A commercial FIFO board was used for digital receiver measurement about major performance in digital output signal condition. The measured digital receiver gain and SFDR is 33 dB and more than 81 dBc each.
Keywords
Active Phased Array Radar; Digital Receiver; Gain; SFDR;
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