[sdiy] LM394 vs. MAT02 vs. ?

The Old Crow oldcrow at oldcrows.net
Tue Nov 9 04:41:39 CET 2004


  I approve of this method, because I recorded the Vbe of about 100 each 
of 2N3904 and 2N3906 a few years ago, and just about all of them were 
within 2mV of each other for the same polarity.  All of them were within 
5mV of each other.  Much easier to just bet on the short odds that a pair 
will work well enough, and if it doesn't..tweak it. ;)

  Yamaha must have pulled this stunt on their NE-series submodules as 
well; they'd have 2SA561s shouldered up against 2SC458s under all that 
epoxy resin.

Crow
/**/

On Mon, 8 Nov 2004, Dana Scott wrote:

>This is the official ARP method:
>Reach into a bag of 2n3904's.  Pull one out.
>Reach into a bag of 2n3906's.  Pull one out.
>Stick them together.
>Repeat.




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