[sdiy] unconventional uses for parts

[Scott Gravenhorst]

Heh heh, "misuse", I love it.  4069UB et al are fine examples and the
data sheets include ways to "misuse" them, 4069UB has, for example, a
simple schematic for a high impedance analog amplifier (which is what
the friggin thing really is anyway).  There's the René Schmitz 4069UB
sawtooth VCO, a _fine_ example of using this normally logic device for
analog purposes.

I've wondered whatever happened to those simple video amplifier chips
and have wanted to ask here if anyone has ever made any synth modules
with them.   Anyone?

What is this?:
"Jetzt heisse ich Der Funkenaasfresser! (Im Aas sielen...)"

Babelfish wouldn't do much with it and my German (Hoch Deutsch) which
used to be fluent 25 years ago now sucks rocks.




"anthony" <aankrom at bluemarble.net> wrote:
>I'm sure like me, you all scavange parts from electronics
>junk. Sometimes all you end up with are duds, and maybe
>you think hey I wonder if I could use this FM IF chip thingy
>in a synth somehow? I mean people use MC1495's all the time.
>I keep looking at data sheets for things like "differential video amps"
>(hey it has an inverted output too...) and what-not. Like I have
>an MC3340 and I think I can use it for a VCA pretty well.
>CV leaks through a lot, but it would work in /something/ right?
>I suppose there is a point of diminishing returns where the
>time spent figuring out uses for junk that really is useless
>would be better spent working to buy decent parts or gas
>for a road-trip to get more junk (I like that idea better...).
>
>So my point! Does anyone have a few crazy uses for parts
>we all thought were junk?
>
>
>Jetzt heisse ich Der Funkenaasfresser! (Im Aas sielen...)
>

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-- Scott Gravenhorst | LegoManiac / Lego Trains / RIS 1.5
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