Chapter 9 Smith Chart Testing
80
CellAdvisor JD720C User's Manual
Preparing for a measurement
Selecting measurement mode
Procedure
1
Press the
MODE
hard key and then select the
Single Layout
tab.
2
Double-tap the
Smith Chart
icon.
NOTE
You can choose two measurement modes from the
Vertical Layout
tab if you want to
view dual measurements displayed side by side.
Setting parameters
Frequency
You can manually set a frequency band to be measured by entering start and stop
frequencies, or center frequency and span. You can also select a frequency band from the
band list stored in the instrument. It is desirable to set the frequency to a value that covers a
normal range of the measurement with enough margins.
Figure 45
Frequency setup window for Smith chart measurements
Procedure
1
Press the
SETUP
hard key and touch the
Frequency
tab.
2
Do one of the following:
–
To set the start and stop frequencies, complete the following steps:
a
Select the cell next to the
Start Frequency
.
b
Enter a value by using the numeric keys or the rotary knob.
c
Select the cell next to the
Stop Frequency
.
