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Thread: Surface mount components
face picon face BY : Olin Lathrop email (remove spam text)

> Yeah, who/what can be trusted at all anymore? I put my sine
> generator to the cap marked 220 thru a 10K [5%] resistor, and
> adjusted freq until the voltage across the cap dropped to 50%
> on the scope. Using Xc = 1/(2*pi*F*C)

That's the magnitude of the impedance, but is not valid the way you used it
due to being 90 degrees out of phase with the resistor.

Olin Lathrop, embedded systems consultant in Devens Massachusetts
(978) 772-3129, TakeThisOuTolinKILLspamspamSTOPspamembedinc.com, http://www.embedinc.com

http://www.piclist.com hint: To leave the PICList

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Subject (change) Surface mount components

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