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T/R module development for large aperture L-band phased array

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dc.contributor.author Chamberlain, Neil
dc.contributor.author Andricos, Constantine
dc.contributor.author Kumley, Kendra
dc.contributor.author Berkun, Andrew
dc.contributor.author Hodges, Richard
dc.contributor.author Spitz, Suzanne
dc.date.accessioned 2006-07-27T15:48:36Z
dc.date.available 2006-07-27T15:48:36Z
dc.date.issued 2004-03-05
dc.identifier.citation IEEE Aerospace Conference, Big Sky, Montana, March 4-13, 2004 en
dc.identifier.clearanceno 04-3421
dc.identifier.uri http://hdl.handle.net/2014/39561
dc.description.abstract This paper describes a transmit / receive (T/R) module for a large L-band space based radar active phased array being developed at JPL. Electrical performance and construction techniques are described, with emphasis on the former. The T/R modules have a bandwidth of more than 80 MHz centered at 1260MHz and support dual, switched polarizations. Phase and amplitude are controlled by a 6-bit phase shifter and a 6-bit attenuator, respectively. The transmitter power amplifier generates 2.4 W into a nominal 50 ohm load with 36% overall efficiency. The receiver noise figure is 4.4 dB including all front-end losses. The module weighs 32 g and has a footprint of 8 cm x 4.5 cm. Fourteen of these T/R modules were fabricated at the JPL Pick-and-Place Facility and were tested using a computer-controlled measurement facility developed at JPL. Calibrated performance of this set of T/R modules is presented and shows good agreement with design predictions. en
dc.description.sponsorship NASA/JPL en
dc.format.extent 1211426 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2004. en
dc.subject phased array en
dc.subject transmit / receive (T/R) module en
dc.subject space based radar en
dc.subject calibration en
dc.title T/R module development for large aperture L-band phased array en
dc.type Preprint en


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