The instrument control unit of SPICA SAFARI: a macro-unit to host all the digital control functionalities of the spectrometer

Anna Maria Di Giorgio; David Biondi; Bortolino Saggin; Irina Shatalina; Maurizio Viterbini; Giovanni Giusi; Scige J. Liu; Paquale Cerulli-Irelli; Dennis Van Loon; Christophe Cara

doi:10.1117/12.927113

21 September 2012 The instrument control unit of SPICA SAFARI: a macro-unit to host all the digital control functionalities of the spectrometer

Anna Maria Di Giorgio, David Biondi, Bortolino Saggin, Irina Shatalina, Maurizio Viterbini, Giovanni Giusi, Scige J. Liu, Paquale Cerulli-Irelli, Dennis Van Loon, Christophe Cara

Author Affiliations +

Proceedings Volume 8442, Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave; 84423W (2012) https://doi.org/10.1117/12.927113
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

We present the preliminary design of the Instrument Control Unit (ICU) of the SpicA FAR infrared Instrument (SAFARI), an imaging Fourier Transform Spectrometer (FTS) designed to give continuous wavelength coverage in both photometric and spectroscopic modes from around 34 to 210 µm. Due to the stringent requirements in terms of mass and volume, the overall SAFARI warm electronics will be composed by only two main units: Detector Control Unit and ICU. ICU is therefore a macro-unit incorporating the four digital sub-units dedicated to the control of the overall instrument functionalities: the Cooler Control Unit, the Mechanism Control Unit, the Digital processing Unit and the Power Supply Unit. Both the mechanical solution adopted to host the four sub-units and the internal electrical architecture are presented as well as the adopted redundancy approach.

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Anna Maria Di Giorgio, David Biondi, Bortolino Saggin, Irina Shatalina, Maurizio Viterbini, Giovanni Giusi, Scige J. Liu, Paquale Cerulli-Irelli, Dennis Van Loon, and Christophe Cara "The instrument control unit of SPICA SAFARI: a macro-unit to host all the digital control functionalities of the spectrometer", Proc. SPIE 8442, Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave, 84423W (21 September 2012); https://doi.org/10.1117/12.927113

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KEYWORDS

Control systems

Electronics

Interfaces

Power supplies

Spectroscopy

Fourier transforms

Far infrared

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