CTIA

Study on the Digital Circuit of CTIA Readout Circuit

CTIA型红外读出电路的数字控制电路结构研究

A capacitor feedback transimpedance amplifier ( CTIA ) is selected as preamplifier of ROIC based on comparing several preamplifier structures .

在对多种前置放大器比较分析后，提出了电容反馈互阻抗放大器结构。

Last year Americans spent 2.3 trillion minutes chatting on cellphones , according to the US wireless trade association CTIA & a ninefold increase since 2000 .

据美国无线贸易组织电信工业协会的数据显示，去年美国人打手机聊天的时间达2.3万亿分钟，比2000年增加了九倍。

In2009 , the amount of data exchanged in texts and other wireless activity in the United States surpassed the amount used on voice calls , according to CTIA .

2009年，美国国内通过文本信息或其他无线行为交换的信息量超过了打电话包含的信息量，根据CTIA调查结果显示。

The three parts of unit readout IC including capacitor feedback transimpedance amplifier ( CTIA ), correlated double sampling ( CDS ), buffer output amplifier are designed .

分别对单元读出电路中的电容反馈跨阻放大器（CTIA）结构、双采样电路以及缓冲输出级电路进行了设计与计算机仿真。

The adoption of capacitor feedback transimpedance amplifier ( CTIA ) and correlated double sampling ( CDS ) structure helps to reduce the noise of the circuit .

电路采用电容负反馈互导放大器（CTIA）及相关双取样（CDS）结构，有利于减小电路的噪声。

The CTIA , which is the lobbying organization for the wireless industry , has been pushing the Federal Communications Commission to allocate more spectrum for auction .

CTIA组织是由各家无线工业公司组成的一个游说团体，该团体一直在敦促美国电信联邦委员会（FCC）尽快为下属单位开放更多的无线网络频段。

We announced it tonight in conjunction with the CTIA Wireless conference , so we want to give you a sneak peek at it here on the blog .

我们宣布，今晚在与CTIA无线会议，所以我们想给你一个先睹为快在这里的博客。

Opponents of the bill including CTIA , the wireless association that represents providers , believe forcing providers to put a solution in place state-by-state will only hurt consumers in the end .

这个协会代表了无线服务商的利益，它认为如果强制手机提供商一个州一个州地加装防盗装置，最终只会损害消费者的利益。

And then , the conditions of the coupling in FPA between the detector with the direct injection ( DI ) circuit and capacitive transimpedance amplifier ( CTIA ) have been studied .

研究了焦平面中常用的直接注入（DI）和电容反馈放大电路（CTIA）与探测器耦合时在噪声、输入阻抗、工作点匹配等方面应具备的条件。

But CTIA 's blacklist , which was proposed in 2012 hasn 't helped reduce crime numbers and Klein 's bill has been stuck in a Senate Committee since it was proposed last October .

但是CTIA在2012年提出的黑名单方案并没有起到降低犯罪率的效果，而克莱恩的议案自从去年十月提出之后，至今仍卡在参议院委员会未能通过。

A ROIC design that has the Capacitor Feedback Transimpedance Amplifier ( CTIA ) and Correlated Double Sampling ( CDS ) structure is put forward , which is simulated and analyzed based on the PSPICE software .

提出具有电容反馈负导放大器（CTIA）及相关双采样（CDS）结构的读出电路设计，并基于PSPICE软件进行了模拟分析。

It includes column-shared CTIA , DAC , and dummy pixel for static current reduction . Correction data are transferred by DAC to the gates of MOS transistors , to control the bias voltage .

电路采用多列像素共享容式跨阻放大器（CTIA）和DAC，用补偿暗像元扣除静态电流，校正数据经DAC转换送至MOS管的栅极以控制偏置电流达到温度补偿目的。

A novel focal array readout circuit with correlated double sampling CTIA structure is studied . The circuit charges and discharges the integration capacitor according to signals generated by an optical modulator which controls MOS Transistors with alternated turn-on , realizing the photon-current transformation .

研究了一种新型相关双采样CTIA结构的焦平面读出电路，该电路采用光学调制器产生的信号来控制MOS管轮流导通，通过积分电容充放电，实现光电流转化为电压的过程。