A sideband separating mixer for 85-115 GHz

This paper presents the results of development and tests of a sideband separating heterodyne receiver for the 85-115 GHz band with superconducting tunnel junctions (SIS) as frequency down converters. Sideband separation is achieved by using a quadrature scheme where two identical mixer junctions are...

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Bibliographic Details
Published inIEEE microwave and wireless components letters Vol. 14; no. 6; pp. 256 - 258
Main Authors Vassilev, V., Belitsky, V., Risacher, C., Lapkin, I., Pavolotsky, A., Sundin, E.
Format Journal Article
LanguageEnglish
Published IEEE 01.06.2004
Subjects
Coupling circuits
Josephson junctions
Microwaves
mixer
Mixers
Oscillators
Quadratures
Radio frequency
Receivers
Sideband separating receiver
Sidebands
SIS
Space technology
Superconducting device noise
Superconducting devices
superconducting tunnel junctions
Superconductivity
Termination of employment
Tunnel junctions
Waveguide junctions
Waveguide transitions
waveguide-to-microstrip transition
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Summary:This paper presents the results of development and tests of a sideband separating heterodyne receiver for the 85-115 GHz band with superconducting tunnel junctions (SIS) as frequency down converters. Sideband separation is achieved by using a quadrature scheme where two identical mixer junctions are pumped by a local oscillator (LO) with 90/spl deg/ phase difference. We used an innovative mixer layout where the quadrature scheme is implemented using waveguide-based and integrated on-chip components. We employed an additional pair of SIS junctions as terminations for LO-injection directional couplers.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1531-1309
1558-1764
1558-1764
DOI:10.1109/LMWC.2004.828028