[sdiy] Matched NPN transistors pair 2N2223 worth using them in DIY ???

[Neil Johnson]

> I have an opportunity to buy a lot of
> matched NPN transistors pair 2N2223 from a friend.
> Could they be usable in synth DIY uses like VCO's, VCF's, etc...
> I cannot find a good spec sheet about thermal drift specs, PPM's..

Google suggests the NTE81 is an equivalent part.  The datasheet I can
find for it is rather basic, it certainly isn't advertised for
anything like log conversion, etc.

Neil
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http://www.njohnson.co.uk