Cable and Antenna Test Mode
R&S
®
ZNH
117
User Manual 1334.5985.02 ─ 02
By default, "Wrap" is the default phase measurement format.
The following shows the results of a forward transmission measurement on a lowpass
filter. The results show the characteristics of how the filter performs.
Figure 7-8: Transmission measurement
7.1.5
Smith Chart
The smith chart is a circular diagram that primarily shows the impedance or reflection
characteristics of a DUT.
1. Press [MEAS] key.
2. Select "Retrurn Loss" softkey.
The R&S
ZNH starts the reflection measurement with default measurement format
over its entire frequency range.
3. Press [FORMAT] key.
4. Select "Smith" menu item.
The R&S
ZNH shows the reflection of the DUT in smith chart.
Performing Cable and Antenna Measurements