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http://dx.doi.org/10.5515/KJKIEES.2017.28.2.97

Development of the Multi Band Transceiver for Multi-Channel SAR  

Kim, Jae-Min (LIGNex1 RADAR R&D Lab.)
Lim, Jae-Hwan (LIGNex1 RADAR R&D Lab.)
Park, Ji-Woong (LIGNex1 RADAR R&D Lab.)
Jin, Hyeong-Seok (LIGNex1 RADAR R&D Lab.)
Lee, Hyeon-Cheol (Payload Electronics Team, Korea Aerospace Research Institute)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.28, no.2, 2017 , pp. 97-104 More about this Journal
Abstract
In this paper, we designed and fabricated the multi band Transceiver Assembly(TCA) for the Multi Channel Synthetic Aperture Radar(MCSAR) containing C-band, X-band, Ku-band and we researched to verify electrical performance of TCA. The transceiver consists of transmitters, receivers, signal selection modules for each band, and stability oscillator, frequency synthesizer, controller, power distributor. The transceiver has a receive path selection and bandwidth selection functions in accordance with the operating mode. And the transceiver can transmit and receive all three bands simultaneously, each band has a bandwidth of up to 300 MHz. Final transmission output of transceiver for each band is over 20 dBm to be suitable for driving the T/R module. Receiver bandwidth is selected according to the required function and receiver gain has approximately C-band 52 dB, X-band 50 dB, Ku-band 60 dB, the maximum noise figure of Ku-band V polarization is 4.28 dB in the whole band H, V polarization. As a result of the electrical performance test, a multi-band TCA is satisfied the property requirements of the MCSAR.
Keywords
Transmitter; Receiver; Transceiver; Multi Channel; SAR;
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