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Filter synthesis using Butterworth or Chebyshev

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Lathas

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When a filter is designed, how does one choose whether to compare it to Chebyshev or butterworth prototype element values for coupling and Q determination? Some papers mention Butterworth element values to determine Q and coupling, while others use Chebyshev.
 

Hi,

It depends on what YOU want to achieve.
* low passband ripple
* smooth phase shift
* high filter attenuation
....

Klaus
 

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