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Noise Stability of SIS Receivers

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Abstract

There is a strong interest in the submillimeter astronomy community to increase the IF bandwidth of SIS receivers in order to better facilitate broad spectral linewidth and continuum observations of extragalactic sources. However, with an increase in receiver IF bandwidth there is a decrease in the mixer stability. This in turn effects the integration efficiency and quality of the measurement. In order to better understand the noise mechanisms responsible for reducing the receiver stability, we employed a technique first described by D.W. Allan and later elaborated upon by Schieder et al. In this paper we address a variety of factors that degrade the noise stability of SIS receivers. The goal of this exercise is to make recommendations aimed at maximizing SIS receiver stability.

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Authors and Affiliations

  1. California Institute of Technology, 320-47, Pasadena, California, 91125, U.S.A.

    J. W. Kooi, G. Chattopadhyay, M. Thielman & T. G. Phillips

  2. Department of Physics, University of Koln, USA

    R. Schieder

Authors
  1. J. W. Kooi
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  2. G. Chattopadhyay
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  3. M. Thielman
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  4. T. G. Phillips
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  5. R. Schieder
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Kooi, J.W., Chattopadhyay, G., Thielman, M. et al. Noise Stability of SIS Receivers. International Journal of Infrared and Millimeter Waves 21, 689–716 (2000). https://doi.org/10.1023/A:1026452324545

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  • DOI: https://doi.org/10.1023/A:1026452324545

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