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Chapter 10 2-Port Transmission Testing
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 51
Procedure
1
2
88
Vertical Layout tab if you want to view dual measurements displayed on one screen.
Frequency setup window for 2-port transmission measurements
Press the SETUP hard key and touch the Frequency tab.
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.
d
Enter a value by using the numeric keys or the rotary knob.
–
To set the center frequency and the span, complete the following steps:
a
Select the cell next to the Center Frequency.
b
Enter a value by using the numeric keys or the rotary knob.
c
Select the cell next to the Span.
d
Enter a value by using the numeric keys or the rotary knob.
–
To select a band from the band list, complete the following steps:
a
Touch the icon
The Band List window appears. It displays a list of standard bands stored in the
instrument and custom bands created in the JDViewer. See Figure 52 for example.
CellAdvisor JD720C User's Manual
next to the band list.
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