[sdiy] Lots of NOS CA3130S opamps found..

[Ian Fritz]

This was used for the integrator in the original, famous and venerable 
Terry Michaels Saw-core VCO  (EN62).

Ian



At 09:03 AM 10/20/2011, Harry Bissell wrote:
>They are like the CA3140, but have a CMOS output. These were the great 
>grandfathers
>of what are now called 'rail to rail output'. They can still be used, but 
>there are
>more modern altenatives.
>
>These are still in production, but not in the metal case imho.
>
>iirc, they may have been used in some function generator designs of the 
>early 80's.
>
>I don't know a direct synth use, but they ~could~ have been used...
>
>H^) harry
>
>----- Original Message -----
>From: Jean-Pierre Desrochers <jpdesroc at oricom.ca>
>To: synth-diy at dropmix.xs4all.nl
>Sent: Thu, 20 Oct 2011 10:53:07 -0400 (EDT)
>Subject: [sdiy] Lots of NOS CA3130S opamps found..
>
>
>I found a big quantity (more than 100) of NOS CA3130S BiMOS opamps (metal 
>case)
>in there original RCA box like this one:
>http://lamson.dnsdojo.com/LAMSON%20ALL%20PARTS%20PICTURE/CA/CA3130T.JPG
>Do they have any value or possible use in DIY synth circuits ?
>
>Thanks
>JP
>
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>--
>Harry Bissell & Nora Abdullah 4eva
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