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    • 4. 发明授权
    • Method for improving successive approximation analog-to-digital converter
    • 改进逐次逼近模数转换器的方法
    • US06747588B1
    • 2004-06-08
    • US10248375
    • 2003-01-15
    • Jia-Jio HuangYi-Ping Lin
    • Jia-Jio HuangYi-Ping Lin
    • H03M112
    • H03M1/0656H03M1/46
    • A successive approximation analog-to-digital converter is used for converting an analog input signal into a corresponding digital output signal. The successive approximation analog-to-digital converter has a successive approximation register for storing a first digital bit stream and a second digital bit stream that are related to the analog input signal, and a digital-to-analog converter for generating a first reference voltage and a second reference voltage according to the first and second digital bit streams. The digital-to-analog converter has a first voltage divider and a second voltage divider. The first voltage divider drives the first reference voltage approaching the analog input signal to establish the first digital bit stream, and the second voltage divider drives the second reference voltage approaching the analog input signal to establish the second digital bit stream. Finally, the first and second digital bit streams are averaged to generate the digital output signal.
    • 逐次逼近模数转换器用于将模拟输入信号转换成相应的数字输出信号。 逐次逼近模数转换器具有用于存储与模拟输入信号相关的第一数字位流和第二数字位流的逐次逼近寄存器,以及用于产生第一参考电压的数 - 模转换器 以及根据第一和第二数字位流的第二参考电压。 数模转换器具有第一分压器和第二分压器。 第一分压器驱动接近模拟输入信号的第一参考电压以建立第一数字位流,并且第二分压器驱动接近模拟输入信号的第二参考电压以建立第二数字位流。 最后,对第一和第二数字比特流进行平均以产生数字输出信号。
    • 6. 发明授权
    • Switched capacitor circuit of a pipeline analog to digital converter and a method for operating the switched capacitor circuit
    • 一种管线模数转换器的开关电容器电路和一种操作开关电容电路的方法
    • US06956519B1
    • 2005-10-18
    • US10711877
    • 2004-10-11
    • Jia-Jio HuangHan-Chi Liu
    • Jia-Jio HuangHan-Chi Liu
    • H03M1/06H03M1/08H03M1/12H03M1/44H03M1/66
    • H03M1/0863H03M1/0695H03M1/442
    • A switched capacitor circuit of a pipeline analog to digital converter. The pipeline ADC includes a clock generator, a signal reference circuit, and a plurality of switched capacitor circuit. Each switched capacitor includes an operational amplifier, a first sampling capacitor, a first signal input switch, a first reference input switch, a first reference reset switch, and a first feedback network. A method for operating the switched capacitor circuit includes after the first reference input switch turning off, turning on the first signal input switch to transmit a first input signal to the first sampling capacitor and turning on the first reference reset switch to transmit a common signal to a second terminal of the first reference input switch, turning off the first reference rest switch then turning off the first signal input switch, and after the first signal input switch turning off, turning on the first reference input switch.
    • 一种管道模数转换器的开关电容电路。 流水线ADC包括时钟发生器,信号参考电路和多个开关电容器电路。 每个开关电容器包括运算放大器,第一采样电容器,第一信号输入开关,第一参考输入开关,第一参考复位开关和第一反馈网络。 用于操作开关电容器电路的方法包括在第一参考输入开关截止之后,接通第一信号输入开关以将第一输入信号发送到第一采样电容器,并接通第一参考复位开关以将公共信号传输到 第一参考输入开关的第二端子,关闭第一参考停止开关,然后关闭第一信号输入开关,并且在第一信号输入开关关闭之后,打开第一参考输入开关。