Development of the HIFI band 3 and 4 mixer units
- 8 October 2004
- proceedings article
- Published by SPIE-Intl Soc Optical Eng
- p. 268-277
- https://doi.org/10.1117/12.552585
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.Keywords
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