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铁氧体磁珠揭秘
过滤高频电源噪声并干净地分享相似电源供电轨(即混合信号 IC 的模拟和数字供电轨),同时在共享的供电轨之间保持高频 隔离的一种有效方法是使用铁氧体磁珠。铁氧体磁珠是无源器 件,可在宽频率范围内过滤高频噪声。它在目标频率范围内具 有电阻特性 ...
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