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The IRAM Plateau de Bure Interferometer (PdBI) is being upgraded to a new powerful millimeter-wave radio astronomy facility called the NOrthern Extended Millimeter Array (NOEMA) which will double the number of the 15-m diameter antennas from six to 12. All antennas will be equipped with a new generation of dual-polarization Front-End covering the 72–373-GHz frequency range with four independent receivers...
This paper describes the design, construction and test of a 129-174GHz multi-pixel heterodyne receiver suitable for radio astronomical observations and for IRAM's 30-m telescope at Pico Veleta. The design of broadband microwave components like LO injection coupler, corrugated horn, mixer, is discussed, including FDTD simulations, and the performances of those components tested with IRAM-designed HP8510...
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