[sdiy] LM741 substitute
Antti Huovilainen
ajhuovil at cc.hut.fi
Fri Jul 10 20:46:04 CEST 2009
On Fri, 10 Jul 2009, David G. Dixon wrote:
>> It depends on the circuit. Some saw->tri waveshaper circuits rely on
>> the crappy slew rate of the 741 to mask the switching glitch.
>
> A 20 pF (or so) cap across the feedback loop would be the preferred method,
> I'd think.
I tried that in spice simulation, but it didn't work very well. Using slow
slewrate on the other hand worked almost perfectly.
Antti
"No boom today. Boom tomorrow. There's always a boom tomorrow"
-- Lt. Cmdr. Ivanova
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