NASA NTRS · 19900000090
32-GHz Wideband Maser Amplifier
Abstract
High-gain, wideband, microwave amplifier based on ruby cooled by liquid helium. Features include low input equivalent noise temperature and 400-MHz bandwidth. Design basically extension of previous reflected-wave masers built for frequency range of 18 to 26 GHz. Maser amplifier includes eight stages connected in reflected-wave configuration. Particularly useful for detection of weak microwave signals in radio astronomy and communications.
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Shell, J. S., Neff, D. E.. 1990-03-01. 32-GHz Wideband Maser Amplifier. https://ntrs.nasa.gov/citations/19900000090
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