3-7 VNA Key Functions - Measurement Menu (Field Menus) Chapter 3 — Vector Network Analyzer
3-46 MS20xxA VNA Master UG 10580-00166 Rev. C
DTF Return Loss and DTF VSWR
The DTF measurement displays return loss (or VSWR) values versus distance. If the
frequency measurements fail or indicate a problem in the system, then the DTF
measurement can be used to identify and pinpoint the exact location of the problem.
The DTF measurement shows the return loss value of all the individual components
including connector pairs and cable components.
2-Port Gain
This function is used to measure the gain of the Device Under Test (DUT).
Smith Chart
This function displays the measurement results as a Smith Chart.
Next
This soft key opens an additional menu.
1-Port Phase
This function is used for phase matching of the cables. 1-port phase displays the
phase difference, in degrees, between the reflected signal and the incident signal.
2-Port Phase
This function is used for phase matching of the cables. 2-port phase displays the
phase difference, in degrees, between the signal that is transmitted through the
DUT and the incident signal.
Back
This soft key returns the display to the previous (Measurement) menu.
10580-00166C.book Page 46 Thursday, February 21, 2008 12:52 PM
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