US 12,230,876 B1
Integrated microwave radio frequency feed network
Jason Stewart Wrigley, Littleton, CO (US); Erik Lier, Phoenixville, PA (US); and Timothy Patrick Wink, Castle Rock, CO (US)
Assigned to LOCKHEED MARTIN CORPORATION, Bethesda, MD (US)
Filed by Lockheed Martin Corporation, Bethesda, MD (US)
Filed on Nov. 7, 2022, as Appl. No. 18/053,113.
Int. Cl. H01Q 1/50 (2006.01); H01P 1/161 (2006.01); H01P 1/207 (2006.01); H01P 5/20 (2006.01)
CPC H01Q 1/50 (2013.01) [H01P 1/161 (2013.01); H01P 1/207 (2013.01); H01P 5/20 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
a septum polarizer having first feed ports and a common port;
a high-pass filter coupled to the common port of the septum polarizer;
a multi-port orthomode transducer (OMT) coupled to the high-pass filter and providing an antenna port;
hybrid couplers coupled to low-pass filters fed from the multi-port OMT; and
magic tee elements cross-coupled to the hybrid couplers and providing second feed ports.