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13 December 2020 Warm front end electronic modelization for the X-IFU ATHENA readout chain simulation
Damien Prêle, Si Chen, Alexis Coleiro, Peggy Varniere, Philippe Peille, Laurent Ravera, Christian Kirsch
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Proceedings Volume 11444, Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray; 114443U (2020) https://doi.org/10.1117/12.2560367
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only
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Abstract
The X-ray Integral Field Unit (X-IFU) of the ATHENA space observatory is based on a 3 kilo-pixels array of superconducting micro-calorimeters, that is read out with the Warm Front-End Electronics (WFEE) and then followed by the Digital Readout Electronics (DRE) outside the cryostat. We have developed low-noise/lowdrift amplifiers for this readout as well as performed simulations and measured the noise, bandwidth, linearity, harmonic distortion and thermal drift. Here we are presenting a realistic model of these parameters. These characterizations and models of the WFEE are necessary in order to get a full ATHENA X-IFU readout chain simulator. Impact of the WFEE low-frequency noise and its limited bandwidth on the entire X-IFU detection chain in Time Domain Multiplexing will be introduced.
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Damien Prêle, Si Chen, Alexis Coleiro, Peggy Varniere, Philippe Peille, Laurent Ravera, and Christian Kirsch "Warm front end electronic modelization for the X-IFU ATHENA readout chain simulation", Proc. SPIE 11444, Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray, 114443U (13 December 2020); https://doi.org/10.1117/12.2560367
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KEYWORDS
Fused deposition modeling
Amplifiers
Modulation
Multiplexing
Cryogenics
Signal generators
Space observatories
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