[R-390] Re: Ballast Tube Thread

[Bob Camp]

Hi,

I always wondered where the resistors inside Tektronix tube 
oscilloscopes came from and now I know ....

	Enjoy!

		Bob Camp
		KB8TQ


On Jul 4, 2004, at 8:07 PM, Richard M. MC Clung wrote:

> Well, I can remember when we couldn't get any ballast tubes so
> we would go down to the beach and collect the finest sand we
> could find and mix it with ground up 50 ohm carbon composition
> resistors and some epoxy.
>
> We would then pour this slurry mixture into these small glass
> tubes we'd get from the medics, stick a lead from the ground up
> resistors in to each end, and bake them in an oven for 6 hours.
>
>
> When we got done with that we had 48 ohm resistors that we
> would use to replace the unavailable ballasts. I don't know why
> we didn't just use 48ohm resistors because we had them in
> stock.
>
> But then I wouldn't have thought up this BS story to kick over
> some bees hives and start some crap........ HEH, HEH, HEH!!!
>
> I mean and tired after a long hot 4th of July Parade that's my
> story and I'm sticking to it..........
> RICH  WA6KNW
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