| 700kHz/1.2MHz非调谐式振荡器 |
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| 引用本文： | 王基石,宁江华,刘伟杰,杨再荣,周勋,丁召.700kHz/1.2MHz非调谐式振荡器[J].现代机械,2010(2):50-51,94. |
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| 作者姓名： | 王基石 宁江华 刘伟杰 杨再荣 周勋 丁召 |
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| 作者单位： | 贵州大学,理学院,贵州,贵阳,550025 |
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| 基金项目： | 贵州省科技厅基金，贵州大学研究生创新基金资助 |
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| 摘 要： | 在对传统的振荡器电路的分析比较基础上,提出并设计一种非调谐式振荡器。该振荡器利用迟滞比较器控制电容充电、放电的时间来产生振荡时钟,从而得到所需要的振荡波形。电路结构简单,面积小,易于集成,可以根据不同的控制信号,工作于1.2 MHz或700 kHz。Cadence Spectre仿真结果表明,该电路基本符合设计指标。
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| 关 键 词： | 振荡器 非调谐式 迟滞比较器 振荡时钟 |
A Novel Oscillator Based on a Comparator with Internal Hysteresis |
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| WANG Jishi,NING Jianghua,LIU Weijie,YANG Zairong,ZHOU Xun,DING Zhao.A Novel Oscillator Based on a Comparator with Internal Hysteresis[J].Modern Machinery,2010(2):50-51,94. |
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| Authors: | WANG Jishi NING Jianghua LIU Weijie YANG Zairong ZHOU Xun DING Zhao |
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| Affiliation: | WANG Jishi, NING Jianghua,LIU Weijie,YANG Zairong,ZHOU Xun ,DING Zhao |
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| Abstract: | Based on the analysis and comparison of the traditional oscillator circuit,proposed and designed a non-tuned oscillator.The oscillator using hysteretic comparator to control the capacitor charge time and discharge time to generate oscillation clock,and to get the required oscillatory shape.With a circuit of simple structure,small size,easy integration,Moreover,can be controlled to operate in the frequency of 1.2 MHz or in the frequency of 700 kHz,depending on different control signals.Cadence Spectre simula... |
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| Keywords: | oscillator Non-Tuned hysteretic comparator oscillation clock |
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