[sdiy] Multimode filter topology

Antti Huovilainen ajhuovil at cc.hut.fi
Tue Aug 18 21:23:00 CEST 2009


On Tue, 18 Aug 2009, David G. Dixon wrote:

> One thing I noticed is that Andy never answered the questions about exactly
> which stage factors he assumed to generate some of his notch plots, and
> whether he changed capacitor values to get the various notches and peaks

I'm fairly sure he didn't (apart from possibly using just three stages for 
the entire filter - I can't remember anymore).

Antti

"No boom today. Boom tomorrow. There's always a boom tomorrow"
   -- Lt. Cmdr. Ivanova



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