[sdiy] Fwd: EXAR SSM chips

[g montalbano]

Thanks for the 2040 equivalent number.  The 5101 is their version of the
SSM2020 dual VCA.
~G

On Thu, Mar 31, 2022 at 12:32 PM chris <chris at chrismusic.de> wrote:

> That mystery has been puzzling me for quite some time.
>
> In my rev1 the SSM2040 equivalent is Exar XR5099, and then there are
> XR5101, don't remember what they stood for (ADSR?).
> IIRC, the oscillator chips have some tempco stuff glued on them, so I
> have no idea how they are labelled.
>
> Chris
>
>
>
> On Thu, 31 Mar 2022 10:18:00 -0700 g montalbano via Synth-diy
> <synth-diy at synth-diy.org> wrote:
>
> > ---------- Forwarded message ---------
> > From: klosmon <klosmon at sbcglobal.net>
> > Date: Thu, Mar 31, 2022 at 10:15 AM
> > Subject: EXAR SSM chips
> > To: <montalbanogmm at gmail.com>
> >
> >
> > Back in the day, EXAR made versions of the SSM chips in the Rev1 & 2.
> I've
> > seen them in the past in units I've serviced, and noticed that they had
> > different numbers than the chips they were replacing (but stupidly didn't
> > write down those numbers).  Does anyone here have any record of the EXAR
> > numbers?
> > Thanks.
> > ~G
>
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