红外与毫米波学报2018，Vol.37Issue(3)：257-260,268,5.DOI:10.11972/j.issn.1001-9014.2018.03.001
短波红外InGaAs线性焦平面数字化输出研究
Digital output for short-wave infrared InGaAs linear FPA
摘要
Abstract
A specific digital output research on short-wave infrared InGaAs linear focal plane array ( FPA) was re-ported.Coupled with a laboratory self-designed short-wave infrared 256 ×1 InGaAs FPA, a successive approxima-tion register (SAR) analog to digital convertor (ADC) with high resolution, low power consumption and small size was designed and fabricated in 0.18μm CMOS process.The chip consumes 460μW at a sampling rate of 235 KS/s with the power supply of 3.3 V.The signal to noise ratio (SNR) of the ADC chip is 66.6 dB.The ADC chip was also tested at different integral time to convert the 256 ×1 InGaAs FPA signal.The results show that the ADC chip can meet the application requirements of the 256 ×1 InGaAs FPA.关键词
短波红外/线列256×1铟镓砷焦平面/模数转化器/逐次逼近Key words
short-wave infrared/256 ×1 InGaAs FPA/ADC/successive approximation register SAR分类
信息技术与安全科学引用本文复制引用
魏杨,王绪泉,黄张成,黄松垒,方家熊..短波红外InGaAs线性焦平面数字化输出研究[J].红外与毫米波学报,2018,37(3):257-260,268,5.基金项目
Supported by the National Key R&D Program of China (2016YFB0402401) and the National Science Foundation of China (61376052, 61475179 and 61604159) （2016YFB0402401）
