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Analog
7 个月
斩波运算放大器中输入电流噪声和 偶次谐波折叠效应的分析
本文介绍了对一种斩波运算放大器输入电流噪声的理论分析和测 量,该放大器具有 10 pF输入电容、5.6 nV/√Hz电压噪声PSD和4 MHz单位增益带宽。当配置的闭环增益更高时,输入电流噪声以输入斩波器处动态电导的热噪声为主。此外,理论分析确定了输入电流噪声的 ...
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