高通和低通类似，本篇文章用到的a、b参数，我在低通中有给出那个图
如果大家要设计高通滤波器，大家可以和低通滤波器一起考虑~~~~
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example1:
{
in there we can see:
R=1/C
}
finally
example2:
add example1,we can find
C1n=(a+sqrt(a*a+8*(k-1)*b))/4*b;if k==1;2a/4b=a/2b;
C2n=1/(b*C1n);if k==1;2/a;
finally
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MultiFeedback Filters |
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计算与Sally-key相比一样
先算低通
再算高通C=1/R;R=1/C;
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example
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R2=K*R1
finally
****6阶高通*****
finally