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If i have Active RC LPF and active LC LPF. Whose the circuit

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anwer_sbh

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If i have Active RC LPF and active LC LPF. Whose the circuit has best curve (the fast transition curve)?
 

Depends completely on the implemented filter type and order. By the way, active LC sounds unusual.
 

Re: If i have Active RC LPF and active LC LPF. Whose the cir

The method of design is the Butterworth.
 

O.K., it's a first order lowpass. It doesn't represent a particular filter type because all first order filter are identical.
No first order LC filter exists. So what are you actually asking for?

If you compare e.g. 2nd order butterworth LC and RC implementation, they can be expected to have the same characteristic.
 

Re: If i have Active RC LPF and active LC LPF. Whose the cir

For a first order lowpass you cannot choose between different characteristics (e. g. Butterworth, ...). This is possible only for orders equal or greater than two.
 

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