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High speed readout electronics development for frequency-multiplexed kinetic inductance detector design optimization

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Published 6 December 2013 • © CERN 2013
, , Citation O Bourrion et al 2013 JINST 8 C12006 DOI 10.1088/1748-0221/8/12/C12006

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1 Laboratoire de Physique Subatomique et de Cosmologie, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut Polytechnique de Grenoble, 53, rue des Martyrs, Grenoble, France

2 Institut Néel, CNRS/UJF, 25, rue des Martyrs, Grenoble, France

Dates

  1. Received 23 October 2013
  2. Accepted 28 November 2013
  3. Published

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1748-0221/8/12/C12006

Abstract

Microwave Kinetic Inductance Detectors (MKID) are a promising solution for space-borne mm-wave astronomy. To optimize their design and make them insensitive to the ballistic phonons created by cosmic-ray interactions in the substrate, the phonon propagation in silicon must be studied. A dedicated fast readout electronics, using channelized Digital Down Conversion for monitoring up to 12 MKIDs over a 100 MHz bandwidth was developed. Thanks to the fast ADC sampling and steep digital filtering, In-phase and Quadrature samples, having a high dynamic range, are provided at ∼ 2 Msps. This paper describes the technical solution chosen and the results obtained.

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10.1088/1748-0221/8/12/C12006