PT Unknown AU Merkel, HF Khosropanah, P Sigfrid Yngvesson, K Cherednichenko, S Kroug, M Adam, A Kollberg, E TI An active zone small signal model for hot-electron bolometric mixers SE Proc. 12[super:th] Int. Symp. Space Terahertz Technol. PY 2001 BP 55 PI San Diego, CA, USA ER