[sdiy] Updating the Tau 1010 VCO

[David G. Dixon]

> > 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.

Mouser stocks Xicon polystyrene caps in standard values only up to 10nF,
which is also, I believe, the maximum size for C0G ceramics.  Also, C0G
ceramics are generally much easier to find, and typically about 1/3 the
price of polystyrene.