Computer Science – Performance
Scientific paper
Mar 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995stt..conf..295t&link_type=abstract
Proceedings of the Sixth International Symposium on Space Terahertz Technology, held March 21-23, 1995, at California Institute
Computer Science
Performance
16
Scientific paper
A fixed tuned waveguide receiver has been designed and tested in the 600 GHz frequency band. This receiver is a scaled version of the 200 GHz fixed tuned receiver reported previously. Equipped with a corrugated horn, the receiver operates at an IF of 5 GHz. The mixing element is an Nb/Al0x/Nb SIS junction. Nominal junction size is about 1 um2. On-chip tuning is provided by a 2-section microstrip transformer in series with a short inductor section containing the device. Preliminary measurements show that this receiver has a low noise performance. Using a Martin-Puplett interferometer as the local oscillator diplexer, the DSB receiver noise temperature is about 275 K over most of the 600 GHz frequency band. Further work is under way to perfect the performance of the receiver.
Barnett J. W.
Blundell Ray
Edward Tong C.-Y.
Leduc Henry G.
Paine Scott
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