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Proceedings Paper

W-band dual-polarization receiver for array of microwave background anisotropy (AMiBA)
Author(s): Yuh-Jing Hwang; Ming-Tang Chen; Homing Jiang; Tah-Hsiung Chu; Sun-Nieng Hsieh; Chi-Chian Han; Ferdinand Patt; West Ho; Yau-Der Huang; Warwick Wilson
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Paper Abstract

This is to report on our development for a dual-polarization receiver to detect the cosmic microwave background (CMB) in 85 to 105 GHz band. The receiver is based on a MMIC, HEMT-based LNA developed in the Jet Propulsion Laboratory. A W-band, orthomode transducer (OMT) is used for polarization separation. Most of the RF front-end is located in cryogenics environment at 20K. We have developed a MMIC sub-harmonically pumped diode mixer, operating at 42 GHz, for signal down-conversion. The entire base-band, 2 to 18 GHz, is correlated in a lag-correlator system. The receiver design details and the lab test results will be described in this report.

Paper Details

Date Published: 8 October 2004
PDF: 8 pages
Proc. SPIE 5498, Millimeter and Submillimeter Detectors for Astronomy II, (8 October 2004); doi: 10.1117/12.551096
Show Author Affiliations
Yuh-Jing Hwang, Institute of Astronomy and Astrophysics (Taiwan)
National Taiwan Univ. (Taiwan)
Ming-Tang Chen, Institute of Astronomy and Astrophysics (Taiwan)
Homing Jiang, Institute of Astronomy and Astrophysics (Taiwan)
Tah-Hsiung Chu, National Taiwan Univ. (Taiwan)
Sun-Nieng Hsieh, National Taiwan Univ. (Taiwan)
Chi-Chian Han, Institute of Astronomy and Astrophysics (Taiwan)
Ferdinand Patt, Institute of Astronomy and Astrophysics (Taiwan)
West Ho, Institute of Astronomy and Astrophysics (Taiwan)
Yau-Der Huang, Institute of Astronomy and Astrophysics (Taiwan)
Warwick Wilson, Australia Telescope National Facility (Australia)


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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