ICL 8038 (Anyone used them?)

[Ken Stone]

Use them for voltage controlled LFOs, if anything. You'd be better off
building the VCO's from the ASM-1 than using these chips for VCOs.

Ken

>Hi there.. My first post on this list... I haven't ever built a synth
>myself.. But hey.. Everyone has to start someday :)
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>I played around with various circuits in the last month and now I want to
>start doing something usefull: A vco to play with. I own a hand full of the
>ICL 8038 signal generators... Just wonder if they are worth anything for
>diy-synth things..
>
>The datasheed claims that the chip can be made temperature stable to a
>minimum of 250 ppm/°C. Is this ok for a synth VCO? I don't have any
>experiences in that area.. maybe 250 is acceptable.. maybe it'll sound
>awfull detuned at one octave or two..
>
>There's one thing that I like on the chip: In normal operation it runs quite
>hot after a few seconds (even without any load attached to the outputs).. I
>think this makes it even more independant from ambient temperature.
>
>I might be completely wrong, and this chip is a total pice of junk... don't
>know.. What's your oppinion on them?
>
>
>btw..datasheet is here:
>http://www.intersil.com/data/fn/fn2/fn2864/FN2864.pdf
>
>A nice day to everyone,
>      Nils Pipenbrinck
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_______________________________________________________________________
Ken Stone   sasami at blaze.net.au  
Catgirl Paradise <http://www.anime.net/~kens/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>