A 345 GHZ Heterodyne Receiver for the James-Clerk-Maxwell Telescope

Cunningham, C.T., Hayward, R.H, Wade, J.D, Davies, S.R, Matheson, David N. (1992) A 345 GHZ Heterodyne Receiver for the James-Clerk-Maxwell Telescope. International Journal of Infrared and Millimeter Waves, 13 (12). pp. 1827-1843. ISSN 0195-9271. (doi:10.1007/BF01011325) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:22435)

The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided.
Official URL: http://dx.doi.org/10.1007/BF01011325

Abstract

In this paper we describe the design and performance of a low-noise 345 GHz heterodyne receiver. The mixer uses a lead alloy SIS tunnel junction mounted in reduced height rectangular waveguide and is tuned with a single backshort. Local oscillator power is provided by a broad-band Gunn oscillator which drives a frequency quadrupler. The heterodyne performance has been verified in the laboratory using a gas absorption cell. In November 1991 this receiver was successfully commissioned and by direct comparison with a Schottky diode receiver we confirm a best receiver noise temperature of 150K (DSB) at 355 GHz and a tuning range of 300 to 380 GHz. The receiver is now available as a JCMT facility instrument.

Item Type:	Article
DOI/Identification number:	10.1007/BF01011325
Uncontrolled keywords:	SIS-MIXER; QUASI-PARTICLE MIXER; MILLIMETER WAVES
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Divisions:	Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User:	P. Ogbuji
Date Deposited:	10 Oct 2009 13:34 UTC
Last Modified:	05 Nov 2024 10:01 UTC
Resource URI:	https://kar.kent.ac.uk/id/eprint/22435 (The current URI for this page, for reference purposes)

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