[sdiy] Updating the Tau 1010 VCO

[Harry Bissell]

C0G (NP0) caps are quite good, but available (usually) in small values. I'd switch to polystyrene
once you need
a value that is hard to get. Polystyrene caps would be larger, have more parasitic inductance, and
be sensitive to soldering temperatures and some solvents. C0G ceramics are pretty indestructable.

H^) harry


----- Original Message -----
From: David G. Dixon <dixon at interchange.ubc.ca>
To: 'Ian Fritz' <ijfritz at comcast.net>, lanterma at ece.gatech.edu, synth-diy at dropmix.xs4all.nl
Sent: Tue, 05 Apr 2011 16:45:06 -0400 (EDT)
Subject: Re: [sdiy] Updating the Tau 1010 VCO

> >For right now, you can grab a random capacitor to play the 
> role of the 
> >integrating cap hanging off of the 3080, but at some point 
> want to swap 
> >this out for a higher quality polysterine or polypropeline cap.
> 
> NO!  Use NP0 or C0G ceramic.  They are cheap, small, easily 
> available and they work just as well as polystyrene.

GMTA!  I've been using Epcos C0G caps in all my VCOs, and I love 'em!

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-- 
Harry Bissell & Nora Abdullah 4eva