<p dir="ltr">I've found that transistors on a tape almost always have very close matching between adjacent devices. To the point where I only bother to check if I have some other reason to want them to be extra precise (e.g. If I'm building for someone other than myself)</p>
<div class="gmail_quote">On Jun 7, 2016 4:09 PM, "Mike Beauchamp" <<a href="mailto:list@mikebeauchamp.com">list@mikebeauchamp.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Today I went old-school and hand matched a bunch of NPN transistors and thought I'd share the stats.<br>
<br>
These are bog-standard 2N3906's from Digikey, tested with the standard moog test schematic and read with a Fluke.<br>
<br>
# - V measured<br>
<br>
1 - .562<br>
~<br>
1 - .567<br>
~<br>
1 - .587<br>
~<br>
1 - .590<br>
1 - .591<br>
1 - .592<br>
~<br>
3 - .595<br>
13 - .596<br>
71 - .597<br>
34 - .498<br>
13 - .599<br>
16 - .600<br>
<br>
<br>
Seems like out of 156 transistors, almost half match up within 1mV and most are within 5mV. But it seems like some are definitely outliers.<br>
<br>
Mike<br>
<br>
<br>
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