one/F noise source ckt?

Magnus Danielson cfmd at swipnet.se
Mon Sep 4 20:29:32 CEST 2000


From: Paul Perry <pfperry at melbpc.org.au>
Subject: Re: one/F noise source ckt?
Date: Mon, 04 Sep 2000 09:55:49 +1000

> At 08:55 PM 3/09/00 +0200, Magnus Danielson wrote:
> 
> >> Didn't Bob Moog have some clever way of making a -3dB filter
> >> for the pink noise source in the MiniMoog?
> 
> >Well, I just checked the MiniMoog Service Manual and it is not something very
> >clever, he just filters it. It is a fairly simple filter. It falls into one of
> >those "good enougth" approximations.
> >
> Actually the Mini Moog noise situation is a little more subtle than that.
> By an amazing coincidence, I just posted this to AH:
> 
> http://www.audities.org/MiniA/bill_hemsath.htm
> 
> which is the address of a rave by one of the MM designers, a teriffic read!

Ah... look in the end of the Model C description to find the relevant text.
I started to read that when it surfaced, but I was to tired to get all the way
to Model C.

Now, this is not very obvious from the noise curcuit schematics, it is a
property of a somewhat larger scope.

One learn every day, don't you!

Cheers,
Magnus




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