[sdiy] Seeking info on chip

Electronium mike at electronium.com
Thu Oct 10 04:23:29 CEST 2002


Hi Larry,

> CA747E as a substitute.  That took me nowhere.  But, one of the chips
seems
> to have been replaced with a UA747.  I found lots of data on that one as a
> dual op amp with null offset adjustment capabilities.
>
> Any info about the suitability of said chip for audio or DC  or general
> comments about the UA747 is welcome.  I'm gonna connect one up (as if a
> UA747) and see if I get anything out of it beside smoke.

The uA747 is a dual 741 op amp, I believe... very basic op amp, not so good
for audio if you're a stickler about noise.  Worth keeping IMHO... lots of
uses for non-critical op amps in CV circuits, etc.

Regards,
Mike Brown
mike at electronium.com





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