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1. 发明申请

US20120056770A1 SUCCESSIVE APPROXIMATION REGISTER-ANALOG DIGITAL CONVERTER AND RECEIVER 失效
标题翻译：成功的近似寄存器模拟数字转换器和接收器
公开(公告)号：US20120056770A1
公开(公告)日：2012-03-08
申请号：US13035202
申请日：2011-02-25
申请人： Mai ARAKI , Masanori Furuta
发明人： Mai ARAKI , Masanori Furuta
IPC分类号： H03M1/12 , H03L7/06
CPC分类号： H03M1/466 , H03M1/78
摘要： An SAR-ADC includes input and reference terminals, first and second capacitor sets, a dummy capacitor, a comparator, a switch, and a logic. The first and second capacitor sets include first and second capacitors, respectively. The first capacitor has a first capacitance. The second capacitor has a second capacitance. The dummy capacitor has a third capacitance. The comparator compares an output voltage with a ground voltage and outputs a digital output code in accordance with a difference between the output and ground voltages. The switch is connected among the first capacitors of the first and second capacitor sets, and the reference terminal. The logic turns the switch based on the digital output code. The input terminal is located between the first and second capacitors of the first capacitor set. The second capacitor of the first capacitor set is located between the first and second capacitors of the second capacitor set.
摘要翻译： SAR-ADC包括输入和参考端子，第一和第二电容器组，虚拟电容器，比较器，开关和逻辑。第一和第二电容器组分别包括第一和第二电容器。第一电容器具有第一电容。第二电容器具有第二电容。虚拟电容器具有第三电容。比较器将输出电压与接地电压进行比较，并根据输出和接地电压之间的差输出数字输出代码。开关连接在第一和第二电容器组的第一电容器和参考端子之间。逻辑根据数字输出代码开关。输入端子位于第一电容器组的第一和第二电容器之间。第一电容器组的第二电容器位于第二电容器组的第一和第二电容器之间。

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