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High - efficiency L-band T/R module : development results

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dc.contributor.author Edelstein, Wendy N.
dc.contributor.author Andricos, Constantine
dc.contributor.author Wang, Feiyu
dc.contributor.author Rutledge, David B.
dc.date.accessioned 2009-04-08T18:20:11Z
dc.date.available 2009-04-08T18:20:11Z
dc.date.issued 2005-06-28
dc.identifier.citation Earth Sun System Technology Conference (ESTC), College Park, Maryland, June 28-30, 2005. en_US
dc.identifier.clearanceno 05-1324
dc.identifier.uri http://hdl.handle.net/2014/41170
dc.description.abstract Future interferometric synthetic aperture radar (InSAR) systems require electronically scanned phased-array antennas, where the transmit/receive (T/R) module is a key component. The T/R module efficiency is a critical figure of merit and has direct implications on the power dissipation and power generation requirements of the system. Significant improvements in the efficiency of the T/R module will make SAR missions more feasible and affordable. The results of two high-efficiency T/R modules are presented, each based on different power amplifier technologies. One module uses a 30W GaAs Class-A/B power amplifier and the second module uses a 70W LD-MOS Class-E/F power amplifier, where both modules use a common low power section. Each module operates over an 80MHz bandwidth at L-band (1.2GHz) with an overall module efficiency greater than 58%. We will present the results of these two T/R modules that have been designed, built and tested. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2005. en_US
dc.subject high efficiency en_US
dc.subject transmit/receive (T/R) module en_US
dc.subject Class A/B amplifier en_US
dc.subject Class E/F amplifier en_US
dc.subject synthetic aperture radar (SAR) en_US
dc.title High - efficiency L-band T/R module : development results en_US
dc.type Preprint en_US


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