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Single-ended ring oscillators: analysis and design
IET Circuits, Devices & Systems ( IF 1.0 ) Pub Date : 2020-09-29 , DOI: 10.1049/iet-cds.2019.0190
Elnaz Zafarkhah 1 , Mohammad Maymandi‐Nejad 1 , Maryam Zare 2
Affiliation  

In this study the authors propose a novel and straightforward design procedure for the single-ended ring oscillator (SERO). This procedure determines the values of the circuit parameters to reach the desired oscillation frequency while the power consumption and the area are minimised and the noise is kept below the desired value. Furthermore, the authors analyse the SERO and suggest a practical formula for the oscillation frequency. In comparison to the conventional equations, the derived formula is accurate as well as explicit. The accuracy of the proposed frequency equation is verified using simulation. The average of the absolute errors over a wide range of parameters is 2.52%, and the worst case error is 9.64%. In addition, the power consumption of the SERO is analysed and a formula is presented for estimating the power consumption.

中文翻译:

单端环形振荡器:分析和设计

在这项研究中,作者提出了一种新颖,简单的单端环形振荡器(SERO)设计程序。该过程确定电路参数的值以达到所需的振荡频率,同时使功耗和面积最小化,并使噪声保持在所需值以下。此外,作者分析了SERO,并提出了一个实用的振荡频率公式。与常规方程相比,导出的公式既精确又明确。通过仿真验证了所提出频率方程的准确性。各种参数上的绝对误差的平均值为2.52%,最坏情况的误差为9.64%。此外,还分析了SERO的功耗,并给出了估算功耗的公式。
更新日期:2020-10-02
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