Finding the Capacitance from Lissajour plot info?
From: Wayne (nospam-mail_at_wlawson.com)
Date: 09/26/04
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Date: Sun, 26 Sep 2004 16:59:19 GMT
If I have the Phase then say 40deg and the magnitude say 10 then how can I
convert that into capasitance.
I have the following circuit:
___SIGGEN_____
¦ ¦
¦--/\/\/\/\-----¦ ¦---¦
R_shunt Cx
¦ ¦
----V?----
I am measuring the voltage drop accross R_shunt and comparing that with the
siggen so I have V_R_shunt - SIGGEN = Z and on a scope I can measure
the phase. In other words I have the equiverlant info as you would find
when creating a Lissajour plot.
How can I find the capacitance of Cx with the info I have here?
Cheers
Wayne
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