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Proceedings Paper

Development of the HIFI band 3 and 4 mixer units
Author(s): Gert de Lange; Brian D. Jackson; M. Eggens; H. Golstein; Marinus Jochemsen; W. M. Laauwen; L. de Jong; S. Kikken; C. Pieters; H. Smit; D. Van Nguyen; Matthias Kroug; Tony Zijlstra; Teun M. Klapwijk
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Paper Abstract

We describe the current status of the HIFI mixer units for Band 3 and Band 4. The mixer units cover the 800-960 GHz and 960-1120 GHz frequency range and have a 4-8 GHz IF frequency band. The major requirements and the design strategy are described. Functional tests of the magnet, the de-flux heater, IF-circuit, and the corrugated horn were performed. Details of the design of the mixer units and the performance status are presented. The DSB receiver noise performance ranges from 210 K at 850 GHz to 430 K at 1075 GHz.

Paper Details

Date Published: 8 October 2004
PDF: 10 pages
Proc. SPIE 5498, Millimeter and Submillimeter Detectors for Astronomy II, (8 October 2004); doi: 10.1117/12.552585
Show Author Affiliations
Gert de Lange, SRON National Institute for Space Research (Netherlands)
Brian D. Jackson, SRON National Institute for Space Research (Netherlands)
M. Eggens, SRON National Institute for Space Research (Netherlands)
H. Golstein, SRON National Institute for Space Research (Netherlands)
Marinus Jochemsen, SRON National Institute for Space Research (Netherlands)
W. M. Laauwen, SRON National Institute for Space Research (Netherlands)
L. de Jong, SRON National Institute for Space Research (Netherlands)
S. Kikken, SRON National Institute for Space Research (Netherlands)
C. Pieters, SRON National Institute for Space Research (Netherlands)
H. Smit, SRON National Institute for Space Research (Netherlands)
D. Van Nguyen, SRON National Institute for Space Research (Netherlands)
Matthias Kroug, Delft Univ. of Technology (Netherlands)
Tony Zijlstra, Delft Univ. of Technology (Netherlands)
Teun M. Klapwijk, Delft Univ. of Technology (Netherlands)


Published in SPIE Proceedings Vol. 5498:
Millimeter and Submillimeter Detectors for Astronomy II
Jonas Zmuidzinas; Wayne S. Holland; Stafford Withington, Editor(s)

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