[sdiy] Ne5517 or rubber donut!

[karl dalen]

Good you say that because it puts the light onto one significant question:
Who and for what, buys in so large amounts of LM13700 or NE5517 that it
would justify the semiconductor manufacturer to run a set of wafers?

(exluding every one on this email list, obviously, so who else and for what?).

Reg
KD

 --- James Patchell <patchell at cox.net> skrev: 
> Well, for one, the LM13600 is no longer made.  You can get the NJM13600 
> which is a second source part from Mouser, but as far as I know, that is 
> it.  The most significant thing about the NE5517 is that ON semiconductor 
> only recently started making them.  It was kind of good news because for 
> the past couple of years, manufacturers have been stopped making a lot of 
> OTA's.  Recently, Intersil stopped making the CA3080, National stopped 
> making the LM13600.  I could have also sworn that they stopped making the 
> LM13700, but that part is fully active again.  There also used to be a lot 
> of other OTA makers as well, they have all stopped (EXAR is one of these, 
> they used to make the XR13600).