[sdiy] Vintage IC "514" ?

Ove Ridé nitro2k01 at gmail.com
Tue May 31 11:53:51 CEST 2016


For whatever reason, I can't see the image.

Could it be an OPA541? Seems to fit the bill.

On 31 May 2016 at 11:42, Michael Zacherl <sdiy-mz01 at blauwurf.info> wrote:

> Hi, in some hand written docs from 1971 (part of a legacy) I found a
> circuit using a chip labelled “514 TEXAS INST”.
> The application is an audio volume controller, the circuit itself is
> nothing special, I’d say.
>
> The schematic looks familiar, but what’s that chip?
> Below is a reproduction of this IC’s internal circuit,
> from a pencil drawn reproduction of the datasheet diagram (I presume) also
> in this docs.
>
> The components are not labelled, the terminals named like below and not
> numbered.
>
> Anyone came across this “514” part back then?
>
>
> Thanks, Michael.
>
> --
> http://mz.bluemole.com
>
>
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>
>


-- 
/Ove

Blog: <http://blog.gg8.se/>

"Here is Evergreen City. Evergreen is the color of green forever."
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://synth-diy.org/pipermail/synth-diy/attachments/20160531/17c11d86/attachment.htm>


More information about the Synth-diy mailing list