A Study of Multi-Phase Injection on Accelerating Crystal Oscillator Start-Up
A Study of Multi-Phase Injection on Accelerating Crystal Oscillator Start-Up
复制标题
多相注入加速晶体振荡器启动的研究
DOI:
10.1109/tcsii.2020.2978097
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Heydari, Payam
中科院分区:
文献类型:
--
作者:
Karimi-Bidhendi, Alireza;Heydari, Payam
As a widely used reference signal generator in communication systems, a crystal oscillator (XO) exhibits an unduly long start-up time TS. External signal injection is an effective method to kick-start the XOs. However, the deviation from ideal injection frequency, which easily occurs and is hardly controllable, limits its effectiveness. This work analyzes the XO start-up behavior when differentially excited by an external oscillator and introduces a multi-phase signal injection method to mitigate the shortcomings of conventional injection techniques. Simulation results of an XO designed in a 180 nm CMOS process show that the proposed technique is capable of lowering TS close to minimum theoretical limit.
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DOI:
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发表时间:
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期刊:
2017 IEEE International Solid-State Circuits Conference (ISSCC)
影响因子:
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作者:
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DOI:
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发表时间:
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期刊:
2018 IEEE Symposium on VLSI Circuits
影响因子:
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作者:
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通讯作者:
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影响因子:
5.4
作者:
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通讯作者:
Heydari, Payam