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《新概念模拟电路》电子书专区
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《新概念模拟电路》电子书专区
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9阶低通滤波器问题
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《新概念模拟电路》电子书专区 requires membership for participation - click to join
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9阶低通滤波器问题
明蒋560
over 4 years ago
"运放电路的频率特性和滤波器"一书98页举例1中,4个二阶滤波器的C1都统一选了1uF,根据78页表应该小于1uF或有所差异,这是为什么呢?
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YangJianguo
over 3 years ago
78页的表,是为了避免电阻过大或者过小,给出的电容选择建议,并不是强制规定。R和C的乘积保持不变,电容大点儿,电阻就得小点儿,这原本就没有硬性规定。
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Anonymous
over 3 years ago
in reply to
YangJianguo
明白了,谢谢杨教授
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