Edelstein, Wendy N. and Andricos, Constantine and Moussessian, Alina and Wang, Feiyu and Rutledge, David B. (2003) High-efficiency L-band transmit/receive module for synthetic aperture radar. In: Proceedings of the 2003 IEEE Radar Conference. IEEE Radar Conference. IEEE , Piscataway, NJ, pp. 238-243. ISBN 0-7803-7920-9 http://resolver.caltech.edu/CaltechAUTHORS:20111010-092308420
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Space-based radar places significant demands on the spacecraft resources (mass, power, data rate) and is therefore very expensive to implement. These systems typically require active phased-array antennas with hundreds or thousands of transmit/receive (T/R) modules distributed on the array. High-efficiency is a vitally important figure of merit for the radar T/R module because it reduces the power consumption and therefore makes best possible use of the limited power available. High efficiency also improves the thermal design and reliability. In this paper, we describe the design and preliminary results of a novel L-band (1250 MHz) T/R module technology to achieve ultra-high efficiencies. We will show that a dramatic improvement in overall T/R module efficiency is possible using high-efficiency class-E/F amplifiers. The T/R module performance goals are to achieve an overall module efficiency greater than 70% with a minimum of 30-W output power at L-band frequencies.
|Item Type:||Book Section|
|Additional Information:||© 2003 IEEE. Issue Date: 5-8 May 2003. Date of Current Version: 11 June 2003. The research described in this paper was carried out by the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration. This work was supported by NASA Earth Science Technology Office (ESTO) under the Advanced Component Technology (ACT) program.|
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|Official Citation:||Edelstein, W.N.; Andricos, C.; Moussessian, A.; Feiyu Wang; Rutledge, D.B.; , "High-efficiency L-band transmit/receive module for synthetic aperture radar," Radar Conference, 2003. Proceedings of the 2003 IEEE , vol., no., pp. 238- 243, 5-8 May 2003 doi: 10.1109/NRC.2003.1203408 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=1203408&isnumber=27105|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Tony Diaz|
|Deposited On:||10 Oct 2011 17:17|
|Last Modified:||10 Oct 2011 17:17|
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