串联稳压器对交流电源高频噪声的响应

Proceedings. Asia-Pacific Conference on Environmental Electromagnetics. CEEM'2000 (IEEE Cat. No.00EX402) Pub Date : 2000-05-03 DOI:10.1109/CEEM.2000.853916

A. Mutoh, S. Nitta

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摘要

为了保证数字电路的稳定工作，了解电源对入射高频噪声的响应是非常重要的。本文从分析和实验两方面阐明了串联稳压器对交流电源高频噪声的响应。结果表明，串联稳压器的高频响应受控制晶体管基极和集电极之间的寄生电容、运放负输入和输出端之间的寄生电容以及运放输出阻抗的影响。

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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A response of series regulator to incident high frequency noise on AC-mains

It is important in order to guarantee the stable operation of a digital circuit to understand the response of a power supply to incident high frequency noise. In this paper, the response of a series regulator to incident high frequency noise on AC-mains is analytically and experimentally clarified. As a result, it is shown that high frequency response of a series regulator is influenced by the parasitic capacitance between base and collector terminals of the control transistor, the parasitic capacitance between negative-input and output terminals of operational amplifier, and the output impedance of operational amplifier.

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Proceedings. Asia-Pacific Conference on Environmental Electromagnetics. CEEM'2000 (IEEE Cat. No.00EX402)

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