SNA5000A Vector Network Analyzer User Manual 80
Figure 3-29 Automatic port extension setting interface
Automatic port extension operation steps:
1. Perform the appropriate calibration type (SOLT, etc..) on the associated cabling before
entering Port Extensions.
2. Select
Cal
→
Port Extension
→
Auto Port Extension
to enter the Settings screen.
3. Select the port you want to extend. Refer to practical application scenarios, select
Port 1
or
Port 2
, or both ports.
4. Select the frequency span of the test.
There are three frequency spans to choose:
Current Span
: The frequency span of the current interface setting.
Active Marker
: The frequency point currently marked, In this case,
Loss2
can be ignored
when +setting loss, only
Loss1
can be set.
User Span
: Use the start and end frequencies set by the user.
5. Set whether the loss should be included or not. Select this box to automatically measure the
loss in the transmission line and apply it to the calibration.
6. The mismatch adjustment option is only available when the inclusion loss item is selected.
The mismatch increases the ripple on the trace lines of S11 and S22. If the ripple is large,
the trace display of S11 and S22 will be greater than 0 dB, resulting in unstable values when
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