Noise Measurements of a Low-Noise Amplifier in the FDM Readout System for SAFARI

Qian Wang; Michael D. Audley; Pourya Khosropanah; Jan van der Kuur; Gert de Lange; Amin Aminaei; Dick Boersmal; Floris van der Tak; Jian-Rong Gao

doi:10.1007/s10909-019-02328-x

Noise Measurements of a Low-Noise Amplifier in the FDM Readout System for SAFARI

Qian Wang^*, Michael D. Audley, Pourya Khosropanah, Jan van der Kuur, Gert de Lange, Amin Aminaei, Dick Boersmal, Floris van der Tak, Jian-Rong Gao

^*Corresponding author for this work

Astronomy

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Abstract

The SPICA-SAFARI instrument requires extremely sensitive transition edge sensor (TES) arrays with a noise equivalent power of 2×10-19W/Hz and a readout system with an output noise that is dominated by the detector noise. It is essential to ensure the frequency domain multiplexing (FDM) readout system in SAFARI meets the noise requirement. The FDM system in SAFARI consists essentially of LC filters, a superconducting quantum interference device, a room-temperature low-noise amplifier (LNA), and a demultiplexer. Here we present a noise study of the LNA from a laboratory amplifier chain. We found the equivalent current and voltage noise of the LNA to be 5.4pA/Hz and 315pV/Hz, respectively, which are low enough to read out SAFARI’s TES arrays.

Original language	English
Pages (from-to)	817-823
Number of pages	7
Journal	Journal of Low Temperature Physics
Volume	199
Issue number	3-4
DOIs	https://doi.org/10.1007/s10909-019-02328-x
Publication status	Published - May-2020

Keywords

Transition edge sensor
Low-noise amplifier
Readout noise
SQUID

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title = "Noise Measurements of a Low-Noise Amplifier in the FDM Readout System for SAFARI",

abstract = "The SPICA-SAFARI instrument requires extremely sensitive transition edge sensor (TES) arrays with a noise equivalent power of 2×10-19W/Hz and a readout system with an output noise that is dominated by the detector noise. It is essential to ensure the frequency domain multiplexing (FDM) readout system in SAFARI meets the noise requirement. The FDM system in SAFARI consists essentially of LC filters, a superconducting quantum interference device, a room-temperature low-noise amplifier (LNA), and a demultiplexer. Here we present a noise study of the LNA from a laboratory amplifier chain. We found the equivalent current and voltage noise of the LNA to be 5.4pA/Hz and 315pV/Hz, respectively, which are low enough to read out SAFARI{\textquoteright}s TES arrays.",

keywords = "Transition edge sensor, Low-noise amplifier, Readout noise, SQUID",

author = "Qian Wang and Audley, {Michael D.} and Pourya Khosropanah and {van der Kuur}, Jan and {de Lange}, Gert and Amin Aminaei and Dick Boersmal and {van der Tak}, Floris and Jian-Rong Gao",

year = "2020",

month = may,

doi = "10.1007/s10909-019-02328-x",

language = "English",

volume = "199",

pages = "817--823",

journal = "Journal of Low Temperature Physics",

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T1 - Noise Measurements of a Low-Noise Amplifier in the FDM Readout System for SAFARI

AU - Wang, Qian

AU - Audley, Michael D.

AU - Khosropanah, Pourya

AU - van der Kuur, Jan

AU - de Lange, Gert

AU - Aminaei, Amin

AU - Boersmal, Dick

AU - van der Tak, Floris

AU - Gao, Jian-Rong

PY - 2020/5

Y1 - 2020/5

N2 - The SPICA-SAFARI instrument requires extremely sensitive transition edge sensor (TES) arrays with a noise equivalent power of 2×10-19W/Hz and a readout system with an output noise that is dominated by the detector noise. It is essential to ensure the frequency domain multiplexing (FDM) readout system in SAFARI meets the noise requirement. The FDM system in SAFARI consists essentially of LC filters, a superconducting quantum interference device, a room-temperature low-noise amplifier (LNA), and a demultiplexer. Here we present a noise study of the LNA from a laboratory amplifier chain. We found the equivalent current and voltage noise of the LNA to be 5.4pA/Hz and 315pV/Hz, respectively, which are low enough to read out SAFARI’s TES arrays.

AB - The SPICA-SAFARI instrument requires extremely sensitive transition edge sensor (TES) arrays with a noise equivalent power of 2×10-19W/Hz and a readout system with an output noise that is dominated by the detector noise. It is essential to ensure the frequency domain multiplexing (FDM) readout system in SAFARI meets the noise requirement. The FDM system in SAFARI consists essentially of LC filters, a superconducting quantum interference device, a room-temperature low-noise amplifier (LNA), and a demultiplexer. Here we present a noise study of the LNA from a laboratory amplifier chain. We found the equivalent current and voltage noise of the LNA to be 5.4pA/Hz and 315pV/Hz, respectively, which are low enough to read out SAFARI’s TES arrays.

KW - Transition edge sensor

KW - Low-noise amplifier

KW - Readout noise

KW - SQUID

U2 - 10.1007/s10909-019-02328-x

DO - 10.1007/s10909-019-02328-x

M3 - Article

SN - 0022-2291

VL - 199

SP - 817

EP - 823

JO - Journal of Low Temperature Physics

JF - Journal of Low Temperature Physics

IS - 3-4

ER -

Noise Measurements of a Low-Noise Amplifier in the FDM Readout System for SAFARI

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