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Advances in the Goertzel Filter Bank Channelizer for Cryogenic Sensors Readout.

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Název: Advances in the Goertzel Filter Bank Channelizer for Cryogenic Sensors Readout.
Autoři: Ferreyro, L. P., García Redondo, M. E., Salum, J. M., Muscheid, T., Hampel, M., Almela, A., Fuster, A., Geria, J. M., Bonaparte, J., Bonilla-Neira, J., Ardila-Perez, L. E., Gartmann, R., Müller, N., Wegner, M., Sander, O., Platino, M., Kempf, S., Etchegoyen, A., Weber, M.
Zdroj: Journal of Low Temperature Physics; Nov2024, Vol. 217 Issue 3/4, p409-417, 9p
Témata: MICROWAVE detectors, COSMIC background radiation, FILTER banks, NEUTRINO mass, GATE array circuits
Abstrakt: Neutrino mass estimation experiments and cosmic microwave background (CMB) radiation surveys both employ low-temperature detectors (LTD) known as calorimeters and bolometers, respectively. These detectors operate typically between 10 and 300 mK. LTDs multiplexed by means of a microwave superconducting quantum interference device multiplexer (µMUX) demonstrated to be an excellent device for the readout of several detectors in the microwave region. This entails generating a multi-tonal signal and its subsequent readout. A single-tone detection method based on a Goertzel filter bank (GFB) channelizer was used for the readout of the aforementioned signal, implemented in a software-defined radio readout architecture within a field-programmable gate array. The measurements presented here demonstrate remarkable results in validating the suitability of the GFB channelizer for this system. [ABSTRACT FROM AUTHOR]
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Abstrakt:Neutrino mass estimation experiments and cosmic microwave background (CMB) radiation surveys both employ low-temperature detectors (LTD) known as calorimeters and bolometers, respectively. These detectors operate typically between 10 and 300 mK. LTDs multiplexed by means of a microwave superconducting quantum interference device multiplexer (µMUX) demonstrated to be an excellent device for the readout of several detectors in the microwave region. This entails generating a multi-tonal signal and its subsequent readout. A single-tone detection method based on a Goertzel filter bank (GFB) channelizer was used for the readout of the aforementioned signal, implemented in a software-defined radio readout architecture within a field-programmable gate array. The measurements presented here demonstrate remarkable results in validating the suitability of the GFB channelizer for this system. [ABSTRACT FROM AUTHOR]
ISSN:00222291
DOI:10.1007/s10909-024-03204-z