PT Unknown AU Lewark, UJ Zwick, T Tessmann, A Massler, H Leuther, A Kallfass, I TI Active 600GHz frequency multiplier-by-Six S-MMICs for submillimeter-wave generation SE IEEE MTT-S International Microwave Symposium, IMS 2014; Tampa, FL; United States; 1 June 2014 through 6 June 2014 PY 2014 BP 3 EP S. DI 10.1109/MWSYM.2014.6848294 LA english ER