R&S ZNH, User Manual, Page: 117 / 369

Cable and Antenna Test Mode
R&S
®
ZNH
110 User Manual 1334.5985.02 ─ 02
Figure 7-3 shows an example of a reflection measurement in magnitude dB and SWR
measurement format without any major faults in the cable or the antenna.
See also measurement formats for Chapter 7.1.5, "Smith Chart" , on page 117 and
Chapter 7.1.6, "Phase Measurement" , on page 119.
Figure 7-3: Reflection measurement
Combine measurements
You can combine reflection measurement with Chapter 7.1.4, "Transmission Measure-
ments" , on page 116 and have the measurements display together for easy evalua-
tion.
1. Press [MEAS] key.
2. Select "Return Loss" or "Transmission" softkey.
The R&S ZNH starts the default measurement format over its entire frequency
range.
3. Select "RL + Trans" menu item.
The R&S ZNH displays the combine measurements over its entire frequency
range. See Figure 7-4 .
Note: The highlighted S21 trace measurement window is the window in focus.
Markers added, removed or moved over here are coupled to the S11 trace mea-
surement.
Performing Cable and Antenna Measurements