[sdiy] CEM3328 seems to only have buffers at the end

[jhaible at debitel.net]

> On Sun, 19 Feb 2006, JH. wrote:
> 
> > * Some of the "later" synthesizer chips did this.
> >
> > * I tried it in simulation, and found much less attenuation of high
> > frequencies
> >   in the range way beyond the cuttof frequency in LP filters.
> >   I think it's pararasitic Cs, and in the resistor dividers prevent HF
> > coupling
> >   thru all stages.
> >
> > * Maybe (maybe!) that's one reason why "first generation" SSM and CEM
> >   sound better than later ones.
> 
> The CEM3328 looks like it's in that class.
> 
> Is that what the datasheet means by "open loop design for enhanced sound 
> richness?" ;)

Whatever. 8-)

BTW, I don't know if the CEM3328, or later SSM chips sounds bad or not.
I never tried them.
I just say, *if* there's a difference in fatness, richness, you name it, as 
others have described, then the HF feedthru may be the first thing to look for.

JH.

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