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About differential signal measurement

Question asked by ycchiu on Jul 31, 2006
Latest reply on Aug 11, 2006 by dgun
Dear Joel
i try the way to measure the phase, but i can not  measure the date.
because the signal is disturb.
the following is my measurement procedure differential signal is generated by 8257D(Freq=5GHz Power=-20dBm) and balun.
2.The PNA turn off the source power and connect Port1 and port 2 to Balun.
3.Choose the Receivers:A/B

Where is the mistake??

Thank You & Best Regards