MS20 Filter

[Keith Winstanley]

In-Reply-To: <memo.212887 at cix.compulink.co.uk>
> Hi,
> has anyone built the MS 20 filter from 'Tom's Synth Cookbook' on the 
> Electronics  for Musicians web site?

sorry that is the Electronics For Music web site:

http://www.mindspring.com/~vco/cbook/cookbook.html


I have used 4148 diodes maybe thats the problem?
For the .002 caps (I presume .002uF) I have used 2200pF multilayer resin dipped 
plate ceramic caps and for the 10u I have used electrolytics cans.

any comments?
....Keith Winstanley





> I have built one as a dual HP/LP filter and while I am getting a signal 
> through the filtering is very weedy as is the resonance, I can hear the 
> circuit working in some way but there is obviously something awry. I have 
> already corrected the leg configuration on the 2N3906 although it caught me 
> out to begin with.
> I am wondering if I am using the correct type of caps?
> If anyone has any experience of this project and has any tips please let me 
> know.-