Analysis and design of high-performance relaxation OSC

Anti-counterfeiting, Security, and Identification Pub Date : 2012-10-11 DOI:10.1109/ICASID.2012.6325312

Y. Du, J. Xing

引用次数: 0

Abstract

A high PSRR, low temperature drift relaxation oscillator is proposed, which operates at a typical frequency of 167KHZ. Under all process Corners, and with the change of power supply from 3V to 6V and temperature from -45°C to 105 °C the frequency error is less than ±1.8%. Trimming circuit is used to guarantee the accuracy of frequency after taping out. Based on the TSMC 0.18μm BCD process, the circuit is simulated to verify the correctness of the design.

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高性能松弛OSC的分析与设计

提出了一种高PSRR、低温漂移弛豫振荡器，其工作频率为167KHZ。在所有工艺角下，当电源由3V变为6V，温度由-45℃变为105℃时，频率误差小于±1.8%。采用微调电路，保证分带后的频率精度。基于台积电0.18μm BCD工艺，对电路进行了仿真，验证了设计的正确性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Anti-counterfeiting, Security, and Identification

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