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- Title
Low-Noise Readout of TES Detectors with Baseband Feedback Frequency Domain Multiplexing.
- Authors
Hartog, R.; Audley, M.; Beyer, J.; Boersma, D.; Bruijn, M.; Gottardi, L.; Hoevers, H.; Hou, R.; Keizer, G.; Khosropanah, P.; Kiviranta, M.; Korte, P.; Kuur, J.; Leeuwen, B.-J.; Nieuwenhuizen, A.; Winden, P.
- Abstract
SRON is developing an electronic read-out system for an array of transition edge sensors (TES) based on the techniques of frequency domain multiplexing (FDM) and base-band feedback (BBFB). The astronomical applications of our system are the read-out of soft X-ray micro-calorimeters in a potential instrument on the European X-ray mission-under-study Athena and far-IR bolometers for the SAFARI instrument on the Japanese mission SPICA. In this paper we demonstrate the simultaneous locking of up to 51 BBFB loops. While locked, the in-band read-out noise of the loops is shown to reach the $\mbox{10~pA/}\sqrt{\mathrm{Hz}}$ level required for these missions.
- Subjects
ELECTRONIC feedback; MULTIPLEXING; CALORIMETERS; X-rays; NUCLEAR counters; BOLOMETERS; JAPANESE Christian missions
- Publication
Journal of Low Temperature Physics, 2012, Vol 167, Issue 5/6, p652
- ISSN
0022-2291
- Publication type
Article
- DOI
10.1007/s10909-012-0577-8