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Karpov, A.; Blondel, J.; Carter, M.; Billon-Pierron, D.; Gundlach, K. H.

doi:10.1023/a:1022668625233

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Rf Modules1

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Cited by 2 publications

(1 citation statement)

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“…The mixers are reduced-height waveguide mixers with a single, adjustable, non-contacting backshort (Blundell et al 1988;Karpov et al 1998). The current mixing elements are SIS double junctions in Nb technology with individual integrated parallel tuning.…”

Section: Rf Modulesmentioning

confidence: 99%

A 230 GHz heterodyne receiver array for the IRAM 30 m telescope

Schüster¹,

Boucher²,

Brunswig³

et al. 2004

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Abstract. We describe the technical concept, properties, and performance of HERA (HEterodyne Receiver Array) at the IRAM 30 m telescope. HERA is a multibeam, waveguide SIS receiver that greatly improves mapping speed in various observing modes and also provides possibilities for new high-sensitivity observing of small sources. Future extensions with a second polarization module will permit spectro-polarimetry. We present some examples of astronomical maps with HERA.

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Section: Rf Modulesmentioning

confidence: 99%

A 230 GHz heterodyne receiver array for the IRAM 30 m telescope

Schüster¹,

Boucher²,

Brunswig³

et al. 2004

A&A

Self Cite

View full text Add to dashboard Cite

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A 200-300 GHz single sideband SIS mixer for radio astronomy

Karpov¹,

Blondel

Billon-Pierron

et al. 2001

IEEE Trans. Appl. Supercond.

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We present an ultra broadband low noise single sideband (SSB) SIS mixer developed for 200-300 CHz radio astronomy receivers. The mixer uses two Nb/AlOx/Nb junctions. Image band rejection by 20 dB is provided in the entire 200-300 GHz band using a mechanical tuning of the single noncontacting backshort in the mixer. The SIS receiver SSB noise temperature is close to 50 K in the main part of the band. A speed-up of the observations at radio telescopes by a factor 2-3 is expected with the new receiver.

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Cited by 2 publications

References 3 publications

A 230 GHz heterodyne receiver array for the IRAM 30 m telescope

A 230 GHz heterodyne receiver array for the IRAM 30 m telescope

A 200-300 GHz single sideband SIS mixer for radio astronomy

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