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    • 2. 发明申请
    • SUB-EXPONENT TIME-TO-DIGITAL CONVERTER USING PHASE-DIFFERENCE ENHANCEMENT DEVICE
    • 使用相位差增强器件的次要时间到数字转换器
    • US20110279299A1
    • 2011-11-17
    • US12795221
    • 2010-06-07
    • Seon Kyoo LEEJae Yoon SIM
    • Seon Kyoo LEEJae Yoon SIM
    • H03M1/50
    • G04F10/005
    • A time-to-digital converter includes a phase-difference enhancement section configured to receive first and second input signals having a reference phase difference Δt, and to output first and second output signals having an enhanced phase difference; and a comparison section configured to receive the first and second output signals, to compare a phase difference between the first and second output signals with a reference delay time τ, and to output a comparison signal. The time-to-digital converter has a high resolution. That is to say, the time-to-digital converter has a resolution less than the minimum phase delay time of a delay element, which is obtainable in a corresponding semiconductor process.
    • 时间数字转换器包括相位差增强部分,被配置为接收具有参考相位差Dgr; t的第一和第二输入信号,并输出具有增强的相位差的第一和第二输出信号; 以及比较部,被配置为接收第一和第二输出信号,以将第一和第二输出信号之间的相位差与参考延迟时间τ进行比较,并输出比较信号。 时间 - 数字转换器具有高分辨率。 也就是说,时间 - 数字转换器具有小于延迟元件的最小相位延迟时间的分辨率,其可以在相应的半导体处理中获得。