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Shifting measurement refernce in s parameter measurement (Read 2658 times)
mixed_signal
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Shifting measurement refernce in s parameter measurement
Nov 15th, 2013, 2:22pm
 
Hi,
I want to find the s11 of my on-chip power amplifier output (2.4 GHz) which comes through IC pin. It is followed by off-chip matching network followed by a T line of Zo=50 ohm.

I want to replace matching network with a short and find s11 of the PA. From s11 I want to conjugate match it. How can I move the refrence plane to the IC pin near DUT? I have R&S ZVA

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rfidea
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Re: Shifting measurement refernce in s parameter measurement
Reply #1 - Dec 15th, 2013, 2:18am
 
Maybe a silly answer, but I'm 100% sure that there is a menu somewhere in the VNA named "electrical length" or similar that can move the reference plan.
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