[sdiy] Good 24db/oct HP-LP-BP-Notch filter Schematics ??

[Mattias Rickardsson]

Seems almost impossible.
Could it be a major typo? :-)

/mr


On 5 March 2014 21:18, Florian Anwander <fanwander at mnet-online.de> wrote:
> Hello Tom
>
>
>
> On 05.03.14 19:23 , Tom Wiltshire wrote:
>>
>> I can't see a simple way (that is to say: actually likely) that they've
>> built this. It's starting to bug me!
>
>
> and it becomes more bugging if you look at the pictures at
> schneidersladen.de:
>
> http://www.schneidersladen.de/en/analogue-systems-rs-110.html
>
> click on "more views" and you start to wonder, which ICs should make this...
>
>
>
> Florian
>
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