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8 October 2004 W-band dual-polarization receiver for array of microwave background anisotropy (AMiBA)
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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.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yuh-Jing Hwang, Ming-Tang Chen, Homing Jiang, Tah-Hsiung Chu, Sun-Nieng Hsieh, Chi-Chian Han, Ferdinand Patt, West Ho, Yau-Der Huang, and Warwick Wilson "W-band dual-polarization receiver for array of microwave background anisotropy (AMiBA)", Proc. SPIE 5498, Millimeter and Submillimeter Detectors for Astronomy II, (8 October 2004);


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