Towards a THz Sideband Separating Subharmonic Schottky Mixer
Paper i proceeding, 2008

Today GaAs Schottky mixers with state of the art planar submicron diodes are used for THz-detection up to 3 THz. GaAs Schottky diodes can operate in room temperature which makes them good candidates for space applications and an interesting low cost alternative to low noise cryogenic SIS and HEB technologies. To our knowledge this is the first time a sideband separation mixer using subharmonic Schottky mixers is presented. In this poster we present the current status of the development of a novel sideband separating subharmonic receiver topology operating at 340 GHz. The design of a subharmonic mixer and the LO and RF waveguide hybrids is presented followed by an account of measured S-parameters and mixer noise temperature and some initial SSB mixer measurements.


Peter Sobis

Chalmers, Teknisk fysik, Fysikalisk elektronik

Jan Stake

Chalmers, Teknisk fysik, Fysikalisk elektronik

Anders Emrich

Omnisys Instruments

19th International Symposium on Space Terahertz Technology, ISSTT 2008; Groningen; Netherlands; 28 April 2008 through 30 April 2008



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