低温3mm接收机在14m射电望远镜上的性能

1983 13th European Microwave Conference Pub Date : 1983-09-01 DOI:10.1109/EUMA.1983.333274

A. Raisanen, J. Lamb, A. Lehto, M. Tiuri, J. Peltonen

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引用次数: 3

摘要

在75 ~ 95 GHz频率范围内，建立了一个DSB噪声温度为80 ~ 140 K的冷却接收机，用于射电天文观测。准光束开关后面是一个3毫米肖特基混频器和1.4 GHz的场效应管放大器。锁相LO通过波导和环形滤波器注入。这个接收器已经在实验室和Metsahovi 13.7米射电望远镜上进行了测试。

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Performance of a Cryogenic 3 MM Receiver on a 14 M Radio Telescope

A cooled receiver having a DSB noise temperature of 80-140 K in the frequency range 75-95 GHz has been built for radio astronomical observations. The quasioptical beam switch is followed by a 3 mm Schottky mixer and FET amplifier at 1.4 GHz. A phase locked LO is injected via waveguide and a ring-filter. This receiver has been tested in the laboratory and on the Metsahovi 13.7 m radio telescope.

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1983 13th European Microwave Conference

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