NTRS - NASA Technical Reports Server
A 547 GHz SIS Receiver Employing a Submicron Nb Junction with an Integrated Matching CircuitThe most sensitive heterodyne receivers used for millimeter wave and submillimeter wave radioastronomy employ superconductor-insulator-superconductor (SIS) tunnel junctions as the nonlinear mixing element.
August 23, 2013
June 14, 1993
Electronics and Electrical Engineering
SIS junctions planar mixer circuits waveguide mixers heterodyne receiversradioastronomy