PT Unknown AU Nebosis, RS Semenov, AD Gousev, YP Renk, KF TI Rigorous analysis of a superconducting hot-electron bolometer mixer: theory and comparision with experiment SE Proc. 7[super:th] Int. Symp. Space Terahertz Technol. PY 1996 BP 601 EP 613 DE HEB mixer; model; conversion gain; noise temperature; impedance; 2.5 THz PI Charlottesville, Virginia, USA ER