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2016 1

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Design and simulation of a standing wave oscillator based PLL

Wei ZHANG,You-de HU,Li-rong ZHENG

《信息与电子工程前沿（英文）》 2016年 第17卷 第3期   页码 258-264 doi: 10.1631/FITEE.1500210

摘要： A standing wave oscillator (SWO) is a perfect clock source which can be used to produce a high frequency clock signal with a low skew and high reliability. However, it is difficult to tune the SWO in a wide range of frequencies. We introduce a frequency tunable SWO which uses an inversion mode metal-oxide-semiconductor (IMOS) field-effect transistor as a varactor, and give the simulation results of the frequency tuning range and power dissipation. Based on the frequency tunable SWO, a new phase locked loop (PLL) architecture is presented. This PLL can be used not only as a clock source, but also as a clock distribution network to provide high quality clock signals. The PLL achieves an approximately 50% frequency tuning range when designed in Global Foundry 65 nm 1P9M complementary metal-oxide-semiconductor (CMOS) technology, and can be used directly in a high performance multi-core microprocessor.

关键词： Standing wave oscillator (SWO)     Clock distribution     Phase locked loop (PLL)     Varactor    

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Design and simulation of a standing wave oscillator based PLL

Wei ZHANG,You-de HU,Li-rong ZHENG

期刊论文