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A low noise heterodyne receiver for astronomical observations operating around 0.63 mm wavelength |
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| Authors: | A. H. F. van Vliet Th. de Graauw S. Lidholm H. van de Stadt |
| Affiliation: | 1. Astronomical Institute, University of Utrecht, Netherlands 2. Astronomy Division, Space Science Department of ESA, ESTEC, Noordwijk, Netherlands 3. Microelectronics Research Centre, University College, Cork, Ireland |
| Abstract: | A heterodyne receiver is described in which an InSb hot electron bolometer is used as a mixer. The local oscillator power is obtained by doubling the frequency of a backward wave oscillator. The receiver operates between 460 and 500 GHz (0.65–0.6 mm). Noise temperatures amount typically to 1000 K. |
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