[sdiy] OT: Need pf measurement on cap

[Tom Wiltshire]

I'd make up some sort of oscillator circuit (555 or 4047 or something) where I could get a known frequency for a known cap value (say 22pF or 100pf). Then put the mystery cap in and compare. That'd get you into the ballpark, at least.

T.

On 18 Oct 2012, at 23:56, luther rochester wrote:

> I have a small cap out of an old Polaroid camera that's in the picofarad range. I'm trying to change the exposure time on this bugger.
> 
> The cap is unmarked other than a small red dot. My Fluke meter doesn't go down that far; is there somebody who could measure this for me? I live in Chicago but I could easily drop it in the mail (I wouldn't need it back).
> 
> thanks,
> -- 
> ./luther
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