An integrated charge amplifier for a pyroelectric sensor

This paper presents an integrated charge amplifier that measures a small charge. This charge is generated by a pyroelectric detector. The charge amplifier consists of a single-stage c-annon source configuration with a passive feedback network. The charge amplifier has a bandwidth of 700 kHz and an o...

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Bibliographic Details
Published in:Sensors and actuators. A. Physical. 1997-06, Vol.61 (1), p.421-426
Main Authors: Setiadi, D., Armitage, A., Binnie, T.D., Regtien, P.P.L., Sarro, P.M.
Format: Article
Language:English
Subjects:
Charge amplifiers
Pyroelectric sensors
VDF/TrFE copolymers
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Summary:This paper presents an integrated charge amplifier that measures a small charge. This charge is generated by a pyroelectric detector. The charge amplifier consists of a single-stage c-annon source configuration with a passive feedback network. The charge amplifier has a bandwidth of 700 kHz and an output noise voltage of 20 nV Hz 1/2 at 1 kHz. A 2×2 integrated pyroelectric sensor based on VDF/TrFE copolymer has been realized. The voltage response of this sensor-amplifier is reported.
ISSN:0924-4247
1873-3069
DOI:10.1016/S0924-4247(97)80299-3