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Sample Transponder Implementations for PN DDOR

Show simple item record Volk, Christopher P 2021-10-29T21:07:28Z 2021-10-29T21:07:28Z 2020-05-04
dc.identifier.citation CCSDS 2020 Spring Technical Meetings Huntsville Alabama, Huntsville, Alabama, May 4-9, 2020
dc.identifier.clearanceno CL#20-1729
dc.description.abstract The design philosophy and recommended standards for PN DDOR transponders are proposed in RFM 20-04. The referenced document illustrates how to pick a chip rate, roll-off factor, and other PN parameters for a PN DDOR transmitter. The document also proposes various recommendations for these parameters. This document expands upon RFM 20-04 and presents two PN DDOR transmitters that were designed and tested at JPL. First the IRIS cubesat radio is presented with an 8 MHz spread spectrum DDOR signal. Next the Univeral Space Transponder (UST) transmitter is presented with a 32 MHz spread spectrum DDOR signal. These transmitter designs show that the proposed recommendations are reasonably implemented with current technology.
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US
dc.publisher Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2020
dc.title Sample Transponder Implementations for PN DDOR
dc.type Preprint

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