[sdiy] Tempcos a NoGo
dj hohum
djhohum at gmail.com
Fri Jun 8 07:16:21 CEST 2007
> On Thu, Jun 07, 2007 at 07:51:35PM -0700, dj hohum wrote:
> > Is it reasonable then, if one wanted to build something that employed
> > 1k tempcos to use the panasonics and if one wasn't happy with the
> > performance to simply remove it and replace it with the proper unit?
> > And I presume that there's nothing particularly "wrong" about my
> > cheapo mounting method?
>
> Sure. I think its even niftier to encapsulate them on a DIP8 adapter of
> course. Since I will have the resources soon to do one or two fun things,
> I'm checking around to see if there is a tolerable SMD matched pair that
> enough people will like, maybe then making a batch of these boards would be
> reasonable.
Sure, but I'm thinking about what I can do right now. If I have a
source of tempcos that I can use then the choices of things to build
is more open ended. Your idea certainly sounds cleaner.
> > That seems fairly reasonable. Most schematics I recall seeing use the
> > 1k devices. Are the 2k devices fairly common also? Where are they most
> > often used?
>
> 2k are not uncommon. For example Ray Wilsons Music from Outer Space VCO
> uses them. If you modify a Synthi VCS3 for stability you'll wind up using 3
> of them.
Will you be letting us know when the group buy is going to come
together? You can count me in for at least 10 maybe more, certainly
less than 20, of some combination depending on price, mood, shape of
the moon, etc.
Thanks,
Daryl
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