The aerospace low-noise millimeter-wave spectral line receiver

Details The aerospace low-noise millimeter-wave spectral line receiver The aerospace low-noise millimeter-wave spectral line receiver

Apr 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977itmtt..25..332w&link_type=abstract

IEEE Transactions on Microwave Theory and Techniques, vol. MTT-25, Apr. 1977, p. 332-335. Research sponsored by the Aerospace Co

Astronomy and Astrophysics

Astronomy

Interstellar Matter, Low Noise, Millimeter Waves, Molecular Spectra, Planetary Atmospheres, Superheterodyne Receivers, Data Processing, Earth Atmosphere, Intermediate Frequencies, Line Spectra, Phase Locked Systems, Radio Astronomy

Scientific paper

The design and operation of a low-noise mm-wavelength spectral line receiver for aerospace research (studying narrowband signals from molecules present in the interstellar medium and in planetary atmospheres - including the earth's) is described, and some representative results are presented. Subsystems of the receiver include: RF system, IF system, local oscillator phase-locking system, multichannel filter receivers, and data processing system. The receiver is used with a 4.6 meter mm-wavelength antenna and includes a single-ended mixer using a GaAs diode mounted in 1/4 height WR-10 waveguide.

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