I found the comment about Sony's belief that NPN transistors are superior to PNP very interesting.
Posts
Re: Balanced linked tuner turns ratio
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This is the equation being solved in the script.
I use T.J. Maresca paper in QST Oct 1959 to seed
the MATLAB script with initial values. See his case
equ...
1 hour ago
Yes, Jon Y at Asianometry crushes it again! Always interesting, informative and perfectly narrated. See also the one on Micron.
ReplyDeleteNPN had the electron mobility and ft advantage, whereas PNP had a slightly lower audio NF advantage--all things considered equal. But it matters much less now with the planar process.