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ACFM检测系统的信号调理电路

更新时间:2020-07-16 01:20:32 大小:680K 上传用户:zhiyao6查看TA发布的资源 标签:acfm检测系统信号调理 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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根据交流电磁场检测(简称ACFM)的信号特征,设计了一种用于ACFM检测系统的信号调理电路。该电路由低噪声的程控放大、自适应带通滤波、后级可调放大和真有效值转换四部分组成。经试验验证,该信号调理电路适用范围宽、检测精度高、可获得理想的检测信号特征曲线,且工作稳定可靠,可用于高性价比的ACFM检测仪器中。

According to the signal characteristics of the alternating current field measurement( ACFM), a kind of signal conditioning circuit was designed, for ACFM inspection system. This circuit was composed of four parts : programmed by the low noise amplifier, adaptive band-pass filter, adjustable amplifier and true RMS. After experimental verification, this circuit can be used cost- effective ACFM testing instruments for its advantages : a wide range of usage, high precision and obtain the ideal characteristic curve of the detection signal, stability and reliabivity.

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ACFM检测系统的信号调理电路.pdf 680K

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