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Isolated Grounds

Question asked by JohnGreen on Feb 6, 2007
Latest reply on Feb 11, 2007 by jvall
Hi all.
Is there any method for measure S-parameters of an isolated device (such as a kind of optocoupler, or a fine transformer...) NOT connecting isolated grounds of both side!
Is there any VNA+ProbeFixture having isolated ground?
I believe that ground connection wire will have parasitic effects on isolated device.
Isn't it?  

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