Research on Readout Circuit for PVDF Pyroelectric Infrared Detector

被引：0

作者：

Ye Baisong ^{[1
,2
]}

Yuan Yonggang ^{[1
]}

Liu Fei ^{[1
,2
]}

Li Xiangyang ^{[1
]}

Sun Jinglan ^{[3
]}

Meng Xiangjian ^{[3
]}

Cai Nengbin ^{[4
]}

机构：

[1] SITP, State Key Lab Transducer Technol, Shanghai 200083, Peoples R China

[2] Grad Univ Chinese Acad Sci, Beijing 100039, Peoples R China

[3] SITP, Natl Lab Infrared Phys, Shanghai 200083, Peoples R China

[4] Shanghai Key Lab Criminal Scene Evidence, Shanghai 200083, Peoples R China

来源：

INTERNATIONAL SYMPOSIUM ON PHOTOELECTRONIC DETECTION AND IMAGING 2011: ADVANCES IN INFRARED IMAGING AND APPLICATIONS | 2011年 / 8193卷

关键词：

IR; uncooled; pyroelectric; ROIC; SFD; CTIA; SIGNAL;

D O I：

10.1117/12.900733

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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.

引用

页数：9

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