[sdiy] RE: [sdiy] Chip find and id question

[Doug Terrebonne]

Is it the same as mine? -
http://i48.photobucket.com/albums/f217/dougt55/ssmevb.jpg

--- mrmike <mrmike at clickbang.com> wrote:

> Actually, my board uses the 2033 VCOs, the 2022VCA, and 2056 TGs. It
> has 
> two filters, one 4 pole LPF based on the 2044, and a 2 pole 
> state-variable based on the 2022. I haven't seen the 2033 or 2022 
> anyplace, so it's probably never going to be completely populated.
> 
> mrmike
> 
> rdrake wrote:
> > mike,
> >
> > sorry to hear about your tragedy... not only are those chips
> obsolete, but they're non-ROHS compliant, so they could actually be
> dangerous!  however, i'd be willing to make sure they are disposed of
> in a safe, ecologically sound manner... for a small fee... heh heh.
> >
> > i've got one of those SSM evaluation boards built up as a modular
> (and another one on the shelf), very sweet little box.  i got the
> datasheet from the emulator archive:
> >
> > http://www.emulatorarchive.com/Synthesizers/SSM/SSMVC/ssmvc.html
> >
> > are the chips on the board?  it uses 2020, 2030, 2040 & 2050, which
> weren't on your list.  anyway, if you have 'em, it's definatly worth
> putting together.
> >
> > nice find.  i'll have to mention this to my wife next time she
> starts complaining about by little stash in the attic (and basement,
> and garage)... "no, really honey, someday those 8-track tape deck
> carcasses will be collector's items... they're VINTAGE".
> >
> > bbob
> >
> >
> >   
> >> ----- ------- Original Message ------- -----
> >> From: mrmike at clickbang.com
> >> To: synth-diy at dropmix.xs4all.nl
> >> Sent: Wed, 08 Nov 2006 21:54:46
> >>
> >> I was going through one of my tubs of electronic
> >> junk tonite, and found 
> >> a small box full of tangled wire, obsolete barrier
> >> strips, unsoldered 
> >> used disc caps and other drek. I went to toss it
> >> out in the garbage, and 
> >> decided to waste even more time going through it.
> >> Under the junk I found 
> >> a few gems:
> >>
> >> 2 CEM 3340s
> >> 1 CEM 3320
> >> 1 CEM 3310
> >> 1 CEM 3330
> >>
> >> 2 SSM 2200
> >> 1 SSM 2022
> >> 1 SSM 2033
> >> 2 SSM 2038
> >> 2 SSM 2044
> >> 1 SSM 2056
> >> all in original anti-static packaging.
> >> I also found a dozen CA3080, wads of TL081/82/84,
> >> LM301,307 and a bunch 
> >> of TTL and other opamps.  I'm kind of glad I didn't
> >> just throw the box 
> >> out....
> >>
> >> Also in the box: an SSM voice evaluation board, and
> >> some chips labeled 
> >> "2035-03" and a datecode. There is a slanted "X"
> >> log, which I assume is 
> >> Xicor.  I couldn't find these 14-pin dips anyplace.
> >> I'm reasonable sure 
> >> they're not the stereo encoders put out by NJM with
> >> the same number, but 
> >> it's possible. Anyone know what they are?
> >>
> >> I'm considering building the SSM board as a
> >> mini-modular, so I expect to 
> >> use the SSM chips. The CEM chips seem to still be
> >> available around, 
> >> except for the 3330. Was this used in a synth worth
> >> restoring, or should 
> >> I go ahead and build it up?
> >>
> >> Thanks,
> >> mrmike
> >>     
> >
> >   
> 
>