PT Unknown AU Semenov, A Il'yin, K Siegel, M Smirnov, A Pavlov, S Richter, H Hübers, H TI Intermediate frequency bandwidth of a hot-electron mixer: Comparision with bolometric models SE Proc. 17[super:th] Int. Symp. Space Terahertz Technol. PY 2006 BP 73 EP 76 DE HEB PI Paris, France ER