US 12,457,009 B2
Radio frequency transmission line system for a multi-thermal environment
Jeffrey D. Botimer, Columbia, MD (US); Justin Tyler Mroczkowski, Towson, MD (US); James R. Medford, Columbia, MD (US); and Andrew Paul Lisiewski, Woodstock, MD (US)
Assigned to NORTHROP GRUMMAN SYSTEMS CORPORATION, Falls Church, VA (US)
Filed by NORTHROP GRUMMAN SYSTEMS CORPORATION, Falls Church, VA (US)
Filed on Jan. 15, 2024, as Appl. No. 18/412,834.
Prior Publication US 2025/0233615 A1, Jul. 17, 2025
Int. Cl. H04B 3/32 (2006.01); H04B 3/04 (2006.01)
CPC H04B 3/32 (2013.01) [H04B 3/04 (2013.01)] 20 Claims
OG exemplary drawing
 
16. A communication system comprising:
a signal source in a first thermal environment at a first temperature, the signal source configured to propagate an RF signal;
a superconducting circuit in a second thermal environment at a second temperature lower than the first temperature; and
an RF transmission line system that electrically couples the signal source to the superconducting circuit, the RF transmission line system comprising:
a transmission line conductor configured to propagate the RF signal from the first thermal environment to the second thermal environment;
a dielectric material that is coupled between the transmission line conductor and a ground plane; and
a galvanic connected resonant structure that electrically couples the transmission line conductor to the ground plane.