Analysis and Design of Wideband Injection-Locked Ring Oscillators With Multiple-Input Injection

Jun-Chau Chien; Liang-Hung Lu

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Analysis and Design of Wideband Injection-Locked Ring Oscillators With Multiple-Input Injection

机译：多输入注入宽带注入锁环振荡器的分析与设计

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In this paper, the locking range of the injection-locked ring oscillators is investigated. To improve the injection efficiency and the locking range for superharmonic frequency division, a multiple-injection technique is proposed. Using a 0.18μm CMOS process, a wideband frequency divider based on a three-stage ring oscillator is implemented for demonstration. With a tunable free-running frequency, the fabricated circuit provides 2:1 and 4:1 frequency division with a single-ended input signal ranging from 13 to 25 and 30 to 45 GHz, respectively. Compared with the case of the single-ended injection, the locking range of the frequency divider almost doubles when multiple-input injection with optimum phases is utilized. The experimental results exhibit good agreement with the theoretical derivation and the circuit simulation.

机译：本文研究了注入锁环振荡器的锁定范围。为了提高超谐波频分的注入效率和锁定范围，该文提出一种多次注入技术。采用0.18μm CMOS工艺，实现了基于三级环形振荡器的宽带分频器进行演示。该预制电路具有可调谐的自由运行频率，提供 2：1 和 4：1 的频分，单端输入信号范围分别为 13 至 25 和 30 至 45 GHz。与单端注入相比，当使用具有最佳相位的多输入注入时，分频器的锁定范围几乎翻了一番。实验结果与理论推导和电路仿真结果吻合较好。

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来源
《IEEE Journal of Solid-State Circuits》 |2007年第9期|1906-1915|共10页
作者
Jun-Chau Chien; Liang-Hung Lu;
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作者单位

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类一般性问题;基本电子电路;
关键词
Injection-locked ring oscillators; Locking range; Multiple-input injection; Superharmonic frequency dividers;

机译：注入锁环振荡器;锁止范围;多输入注入;超谐波分频器;

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Analysis and Design of Wideband Injection-Locked Ring Oscillators With Multiple-Input Injection

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