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Proceedings Paper

Research on readout circuit for PVDF pyroelectric infrared detector
Author(s): Baisong Ye; Yonggang Yuan; Fei Liu; Xiangyang Li; Jinglan Sun; Xiangjian Meng; Nengbin Cai
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Paper Abstract

Two types of readout integrated circuit named SFD and CTIA are proposed to match the PVDF pyroelectric IR detector. By employing macro model and analyzing the parameters of detector, the best matching conditions including the input reference noise, input impedance, input capacitance, and working point are investigated in details. Based on the property of the AC output for PVDF detector, we propose a novel readout method, with which the ratio of signal to noise can be greatly improved. Furthermore, the linearity and sensitivity for both circuits are discussed by the means of Spectre tools.

Paper Details

Date Published: 8 September 2011
PDF: 9 pages
Proc. SPIE 8193, International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Infrared Imaging and Applications, 819339 (8 September 2011); doi: 10.1117/12.900733
Show Author Affiliations
Baisong Ye, Shanghai Institute of Technical Physics (China)
Graduate Univ. of Chinese Academy of Sciences (China)
Yonggang Yuan, Shanghai Institute of Technical Physics (China)
Fei Liu, Shanghai Institute of Technical Physics (China)
Graduate Univ. of Chinese Academy of Sciences (China)
Xiangyang Li, Shanghai Institute of Technical Physics (China)
Jinglan Sun, Shanghai Institute of Technical Physics (China)
Xiangjian Meng, Shanghai Institute of Technical Physics (China)
Nengbin Cai, Shanghai Key Lab. of Criminal Scene Evidence (China)


Published in SPIE Proceedings Vol. 8193:
International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Infrared Imaging and Applications
Jeffery J. Puschell; Junhao Chu; Haimei Gong; Jin Lu, Editor(s)

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