An analog baseband feedback circuit for TES signals in frequency domain multiplexing

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

doi:10.1117/12.788134

15 July 2008 An analog baseband feedback circuit for TES signals in frequency domain multiplexing

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

Author Affiliations +

Proceedings Volume 7011, Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray; 70113Q (2008) https://doi.org/10.1117/12.788134
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

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.

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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, and Yoshitaka Ishisaki "An analog baseband feedback circuit for TES signals in frequency domain multiplexing", Proc. SPIE 7011, Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray, 70113Q (15 July 2008); https://doi.org/10.1117/12.788134

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