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发明名称
用于影像感应器之多点相关取样
摘要
本发明揭示一种改良之包含相关取样电路之被动式像素感应器(PPS)电路及在取样周期期间将像素电荷泄漏积分至一积分放大器上之方法。提供一积分器电路以积分经由一行线接收之PPS像素电荷,且提供相关取样电路以移除kTC杂讯及暗积分。提供该积分器之输出之一多点取样,其中至少一第一及第二相关取样系用以侦测来自该等行线泄漏之电荷积分,且至少一第三取样系用以侦测像素读出后的PPS讯号。使用该相关取样方法以自该PPS讯号移除kTC杂讯及暗积分。
申请公布号
TW200707922
申请公布日期
2007.02.16
申请号
TW095113293
申请日期
2006.04.14
申请人
麦克隆科技公司
发明人
克里斯狄安 波姆勒
分类号
H03M3/00(2006.01)
主分类号
H03M3/00(2006.01)
代理机构
代理人
陈长文
主权项
地址
美国
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