[ARC5] 28 volt transformer question ?

[Hubert Miller]

Which reminds me of some transistors I bought in the early 1960s. It was a B-A Electronics grab-bag, of I think, 5 "general
purpose" transistors for $1. Now generic transistors are cheap as beach sand, but that was then.
What was odd was that these transistors, unmarked of course, rattled. No one believes me. I don't know how I discovered
this; maybe it was that my high-frequency hearing was better then. But if you held the transistor up to your ear, and shook
it, you could hear something rattle inside, sounding like a pellet or BB. Now, with vacuum tubes, rattle is bad; but maybe
so-called solidstate is different. Some, but not all of these transistors worked, even though they rattled.  They were audio
up to about 1 MHz FT, as I recall. I wish I kept a couple. I didn't feel it was a bad deal. Probably not good parts for a space
mission, though.
-Hue

>Very impressive, Mike -- I admire your dedication, as well as your luck with the Poly Paks diodes. ;) "U test 'em, and save!"

--Cheers,
Tom


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