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Re: High Q, ultra narrow band parametric filter

4/6/2000 9:49 AM
Liam	Re: High Q, ultra narrow band parametric filter You could do it with a pair of op amp filters, since they can be amazingly sharp on low pass or high pass cut off ramps. I was looking at them in an electronics text book the other week, but I'm still trying to get the courage to try designing a parametric notch filter out of them.     Alternatively, LC. If you can get it narrow enough?

 

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paul perry When making very high Q analog filt... -- 4/6/2000 11:46 AM