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

[Michael Zacherl]

On 5.Mar 2014, at 23:45 , Mattias Rickardsson <mr at analogue.org> wrote:

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

;-) 
http://www.analoguesystems.co.uk/pdf/RS110.pdf – first page, last paragraph …

m.

> 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...



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