A sideband separation SIS mixer for 275-370 GHz for the APEX telescope
Paper in proceedings, 2006

The Atacama Pathfinder EXperiment (APEX) is a 12 m antenna now operating at the Llano Chajnantor on the Atacama Desert in Northern Chile at 5 100 m altitude. APEX will be equipped with single-pixel heterodyne receivers covering 211 - 1500 GHz frequency range. We present a sideband separation (2SB) mixer using superconducting-insulator-superconductor (SIS) junction for the APEX band 2, 275-370 GHz. The 2SB mixer is based on a previous development of a double sideband (DSB) mixer, which is currently installed at the APEX telescope. This DSB receiver has a noise temperature of about 40-50 K across the band, and, as installed on one of the best site on the Earth, yields total DSB system noise temperatures of about 100 K for excellent weather.

Author

Christophe Risacher

Chalmers, Department of Radio and Space Science, Radio Astronomy and Astrophysics

Raquel Monje

Chalmers, Department of Radio and Space Science, Advanced Receiver Development

Vessen Vassilev

Chalmers, Department of Radio and Space Science, Advanced Receiver Development

Alexey Pavolotskiy

Chalmers, Department of Radio and Space Science, Advanced Receiver Development

Victor Belitsky

Chalmers, Department of Radio and Space Science, Advanced Receiver Development

Proceedings of SPIE - The International Society for Optical Engineering

0277786X (ISSN) 1996756X (eISSN)

Vol. 6275 62751T- 62751T

Subject Categories

Electrical Engineering, Electronic Engineering, Information Engineering

DOI

10.1117/12.671724

ISBN

081946340X

More information

Latest update

11/5/2018