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Proceedings Paper

An analog baseband feedback circuit for TES signals in frequency domain multiplexing
Author(s): Noriko Y. Yamasaki; Kazuhisa Mitsuda; Yoh Takei; Kensuke Masui; Toshishige Hagihara; Shunsuke Kimura; Masaki Koshiishi; Ikuyuki Mitsuishi; Keisuke Shinozaki; Akihiro Tsuchiya; Tomotaka Yoshino; Hiroshi Yoshitake; Ryuichi Fujimoto; Yoshitaka Ishisaki
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Paper Abstract

Multiplexed readout of TES (Transition Edge Sensor) signals is one of the key technologies needed to realize large format arrays of microcalorimeters in future X-ray missions. In the FDM (Frequency-Domain Multiplexing) approach using MHz biasing frequencies, a wide band-width FLL (Flux Locked Loop) circuit is essential to compensate the phase delay between the TES sensor and the room temperature circuits. An analog feedback circuit using a lock-in amplifier technique and phase shifters with a very low noise pre-amplifier is being developed. This circuit will be tested with an actual TES array and an 8-input SQUID in the EURECA project.

Paper Details

Date Published: 15 July 2008
PDF: 8 pages
Proc. SPIE 7011, Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray, 70113Q (15 July 2008); doi: 10.1117/12.788134
Show Author Affiliations
Noriko Y. Yamasaki, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Kazuhisa Mitsuda, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Yoh Takei, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Kensuke Masui, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Toshishige Hagihara, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Shunsuke Kimura, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Masaki Koshiishi, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Ikuyuki Mitsuishi, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Keisuke Shinozaki, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Akihiro Tsuchiya, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Tomotaka Yoshino, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Hiroshi Yoshitake, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Ryuichi Fujimoto, Kanazawa Univ. (Japan)
Yoshitaka Ishisaki, Tokyo Metropolitan Univ. (Japan)


Published in SPIE Proceedings Vol. 7011:
Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray
Martin J. L. Turner; Kathryn A. Flanagan, Editor(s)

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