Design, Implementation and Testing of the MAP Radiometers

Abstract

The Microwave Anisotropy Probe (MAP) satellite, launched June 30, 2001, will produce full sky maps of the cosmic microwave background radiation in 5 frequency bands spanning 20 - 106 GHz. MAP contains 20 differential radiometers built with High Electron Mobility Transistor (HEMT) amplifiers with passively cooled input stages. The design and test techniques used to evaluate and minimize systematic errors and the pre-launch performance of the radiometers for all five bands are presented.

Updated with comments; 24 pages with 10 low-resolution figures; version with better figures is at http://lambda.gsfc.nasa.gov/product/map/map_bibliography.html

References in corpus (4)

• The Microwave Anisotropy Probe (MAP) Mission
• The Optical Design and Characterization of the Microwave Anisotropy Probe
• Calibration and Systematic Error Analysis For the COBE-DMR Four-Year Sky Maps
• The MAP Satellite Feed Horns

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