[sdiy] 3080 discrete clones

[Sean Parker]

I have several tens of Rochester 3080 left over from a group buy I did
on MuffWiggler if anyone is interested. Also US Bid got me a much better
price than Rochester direct.

-Sean

On Fri, Oct 3, 2014, at 08:11 AM, Dan Snazelle wrote:
> Thanks
> 
> 
> So that would mean they aren't making them again ;) 
> 
> 
> 
> Sent from my iPhone
> 
> > On Oct 2, 2014, at 11:28 AM, "David Ingebretsen" <dingebre at 3dphysics.net> wrote:
> > 
> > https://www.rocelec.com/parts/results/all/?search_src=pn&s=3280&man=HAR
> > 
> > David 
> > 
> >>> -----Original Message-----
> >>> From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-
> >>> bounces at dropmix.xs4all.nl] On Behalf Of Dan Snazelle
> >>> Sent: Thursday, October 02, 2014 9:20 AM
> >>> To: Tom Farrand
> >>> Cc: sdiy
> >>> Subject: Re: [sdiy] 3080 discrete clones
> >>> 
> >>> Do you really think they might bring the 3280 out again that would be
> >>> amazing??
> >>> 
> >>> Sent from my iPhone
> >>> 
> >>>> On Oct 2, 2014, at 12:16 AM, "Tom Farrand" <mbedtom at gmail.com> wrote:
> >>>> 
> >>>> Maybe someone found out about Rochester Electronics.  They own the
> >>>> masks and have the technology to make as many as you'd like to buy.  I
> >>>> think they have about 11,000 CA3080AE devices in stock (8-pin plastic
> >>>> package).  Why reinvent that which can simply be purchased?
> >>>> 
> >>>> The other day I got a quote from Rochester at something like $4.53 in
> >>>> onesy-twosey quantities and <$3 in reasonable quantities.  They also
> >>>> have CA3280 for about $12 each but I think they are working on wafer
> >>>> stock.
> >>>> 
> >>>> And Jameco has been selling CA3080s forever.  Now the website says
> >>>> "closeout" at $3.95 in small quantities.  The ones I got a very long
> >>>> time ago were house numbered but still the real deal.
> >>>> 
> >>>> A group buy would probably bring the price down if there was demand.
> >>>> These days, 2164 chips are probably the better way to go unless
> >>>> looking specifically for reproducing "retro" circuits.
> >>>> 
> >>>> Peace.
> >>>> Tom Farrand
> >>>> 
> >>>> 
> >>>>> On Wed, Oct 1, 2014 at 4:01 PM, Michael Zacherl <sdiy-
> >>> mz01 at blauwurf.info> wrote:
> >>>>> Hi, out of curiosity, what happened to this project?
> >>>>> Michael.
> >>>>> 
> >>>>>> On 5.Feb 2013, at 20:23 , ASSI <Stromeko at nexgo.de> wrote:
> >>>>>> 
> >>>>>> Hi Synth-DIY,
> >>>>>> 
> >>>>>> I've been contacted by a guy who intends to make 3080 replacements
> >>>>>> from discrete parts, ready-made on a small PCB the size of a DIP-8.
> >>>>>> 
> >>>>>> He's got first prototypes finished and is asking for folks who would
> >>>>>> be willing to test them in their (preferrably filter) circuits.  The
> >>>>>> plan is he'll send you a bunch _for free_ and expects you to give
> >>>>>> him back a meaningful test report on what did or did not work and
> >>>>>> what the performance is relative to the real 3080s.  As he doesn't
> >>>>>> speak or write english, it would be preferred if you could
> >>>>>> communicate with him in german, but I'd be willing to translate for
> >>>>>> a handful of people.  If you are interested, please reply to me
> >>>>>> directly (not to the list) and indicate what you intend to test the
> >>>>>> parts with and when you'll be able to deliver your test report.  I'll
> > then relay
> >>> your requests and let you know whether you'll get parts and how
> >>>>>> to proceed further.   Thank you.
> >>>>>> 
> >>>>>> 
> >>>>>> Regards,
> >>>>>> Achim.
> >>>>>> --
> >>>>>> +<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk
> >>> Blofeld]>+
> >>>>>> 
> >>>>>> DIY Stuff:
> >>>>>> http://Synth.Stromeko.net/DIY.html
> >>>>>> 
> >>>>>> _______________________________________________
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> >>>>> 
> >>>>> 
> >>>>> 
> >>>>> --
> >>>>> http://mz.klingt.org
> >>>>> 
> >>>>> _______________________________________________
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