May 13, 2004 #1 G Ghost Tweaker Member level 5 Joined Nov 11, 2003 Messages 94 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,288 Activity points 980 Hi everyone, a measurement question today: is it possible to measure the S11 parameter of an RF circuit using an active probe and a network analyser? To me the active probe can only measure the S21 parameter but I'm not sure yet... Thanx Ghost
Hi everyone, a measurement question today: is it possible to measure the S11 parameter of an RF circuit using an active probe and a network analyser? To me the active probe can only measure the S21 parameter but I'm not sure yet... Thanx Ghost
May 22, 2004 #2 R RC13 Member level 5 Joined Apr 24, 2002 Messages 89 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,288 Activity points 592 you are not supposed to do it. active probe in not 50 Ohm match. it is for spectrum analyzer, and debuggin purpose only.
you are not supposed to do it. active probe in not 50 Ohm match. it is for spectrum analyzer, and debuggin purpose only.
May 24, 2004 #3 G Ghost Tweaker Member level 5 Joined Nov 11, 2003 Messages 94 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,288 Activity points 980 That what I was thinking...it doesn't make sense. S parameter measurement on wafer is thus realized with passvie probes?
That what I was thinking...it doesn't make sense. S parameter measurement on wafer is thus realized with passvie probes?