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Proceedings Paper

Development of band-1 receiver cartridge for Atacama Large Millimeter/submillimeter Array (ALMA)
Author(s): Yuh-Jing Hwang; Chau-Ching Chiong; Ted Huang; Yue-Fang Kuo; Chi-Chang Lin; Chin-Ting Ho; Hedy Chuang; Marian Pospieszalski; Doug Henke; Stephane Claude; Nicolas Reyes; Ricardo Finger
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Paper Abstract

The prototype cartridges for ALMA Band-1 receivers have been developed, based on the key components developed in ALMA Band-1 consortium laboratories. The prototype cartridges for each receiver consist of two parts, cold cartridge assembly and warm cartridge assembly. The cold cartridge assembly (CCA) consists of horn antenna, orthomode transducer and a pair of 35-52 GHz cold low-noise amplifiers, the amplified signals of both polarizations are transmitted to warm cartridge assembly by long waveguide sections. In warm cartridge assembly (WCA), two major modules incorporated, down-converter assembly including warm low-noise amplifier, high-pass filter, mixer and 4-12 GHz IF amplifier, and local oscillator based on a 31-40 GHz YIG-tunes oscillator. The frequency range is based on the upper sideband scheme. Based on the measured performance of the key components, the expected noise performance of the receiver will be 26-33K.

Paper Details

Date Published: 23 July 2014
PDF: 14 pages
Proc. SPIE 9153, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII, 91532H (23 July 2014); doi: 10.1117/12.2055978
Show Author Affiliations
Yuh-Jing Hwang, Institute of Astronomy and Astrophysics, Academia Sinica (Taiwan)
Chau-Ching Chiong, Institute of Astronomy and Astrophysics, Academia Sinica (Taiwan)
Ted Huang, Institute of Astronomy and Astrophysics, Academia Sinica (Taiwan)
Yue-Fang Kuo, Institute of Astronomy and Astrophysics, Academia Sinica (Taiwan)
Chi-Chang Lin, Institute of Astronomy and Astrophysics, Academia Sinica (Taiwan)
Chin-Ting Ho, IInstitute of Astronomy and Astrophysics, Academia Sinica (Taiwan)
Hedy Chuang, Institute of Astronomy and Astrophysics, Academia Sinica (Taiwan)
Marian Pospieszalski, National Radio Astronomy Observatory (United States)
Doug Henke, NRC - Herzberg Institute of Astrophysics (Canada)
Stephane Claude, NRC - Herzberg Institute of Astrophysics (Canada)
Nicolas Reyes, Univ. de Chile (Chile)
Ricardo Finger, Univ. de Chile (Chile)


Published in SPIE Proceedings Vol. 9153:
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII
Wayne S. Holland; Jonas Zmuidzinas, Editor(s)

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