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13 October 1995 Noise temperature and IF bandwidth of a 530-GHz heterodyne receiver employing a diffusion-cooled superconducting hot-electron mixer
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Abstract
We report on the first heterodyne measurements with a diffusion-cooled hot-electron bolometer mixer in the submillimeter wave band, using a waveguide mixer cooled to 2.2 K. The best receiver noise temperature at a local oscillator frequency of 533 GHz and an intermediate frequency of 1.4 GHz was 650 K (double sideband). The 3 dB IF roll-off frequency was around 1.7 to 1.9 GHz, with a weak dependence on the device bias conditions.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Anders J. Skalare, William R. McGrath, Bruce Bumble, Henry G. LeDuc, P. J. Burke, A. A. Verheijen, and Daniel E. Prober "Noise temperature and IF bandwidth of a 530-GHz heterodyne receiver employing a diffusion-cooled superconducting hot-electron mixer", Proc. SPIE 2558, Millimeter and Submillimeter Waves II, (13 October 1995); https://doi.org/10.1117/12.224230
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