caa a22 4500 47712481X CHVBK 20180405111646.0 cr unu---uuuuu 170330e19971101xx s 000 0 eng 10.1007/BF02678251 doi (NATIONALLICENCE)springer-10.1007/BF02678251 A frequency doubler for 200 GHz with a planar Schottky varactor [Elektronische Daten] [Jyrki Louhi, Antti Räisänen] A frequency doubler for 200 GHz utilising a planar surface channel Schottky varactor was designed, constructed and tested. The doubler employes novel split-waveguide mount design with two sliding backshorts at both input and output waveguides. The theoretical maximum efficiency of the doubler is 44.0 % with input power level of 32 mW and the maximum output power is 16.5 mW with input power level of 50 mW. The measured maximum efficiency of the doubler was 7.1 % and the maximum output power was 2.6 mW Plenum Publishing Corporation, 1997 Louhi Jyrki Radio Laboratory, Helsinki University of Technology, P.O. Box 3000, FIN-02015, HUT, Finland aut Räisänen Antti Radio Laboratory, Helsinki University of Technology, P.O. Box 3000, FIN-02015, HUT, Finland aut International Journal of Infrared and Millimeter Waves Springer US 18/11(1997-11-01), 2063-2075 0195-9271 18:11<2063 1997 18 10762 https://doi.org/10.1007/BF02678251 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF02678251 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Louhi Jyrki Radio Laboratory, Helsinki University of Technology, P.O. Box 3000, FIN-02015, HUT, Finland aut NATIONALLICENCE 700 1- Räisänen Antti Radio Laboratory, Helsinki University of Technology, P.O. Box 3000, FIN-02015, HUT, Finland aut NATIONALLICENCE 773 0- International Journal of Infrared and Millimeter Waves Springer US 18/11(1997-11-01), 2063-2075 0195-9271 18:11<2063 1997 18 10762 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer