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Performance Tests
8. Test Port Crosstalk
Figure 4-17. Test Port 2 Input Frequency Response Test Setup
48
Press
MEAS
,
INPUT PORTS
,
B
.
49
Press
MARKER
,
MARKER 1
,
MARKER FCTN
,
MARKER MODE MENU
,
MKR SEARCH
,
SEARCH:MIN
.
50
Press
MARKER
,
MARKER 2
,
MARKER FCTN
,
MARKER MODE MENU
,
MKR SEARCH
,
SEARCH:MAX
.
51
Write the marker 1 or marker 2 reading, whichever has the largest magnitude,
in the “Performance Test Record.”
In Case of
Difficulty
1
Be sure you have used the correct power sensor for the frequency range.
2
Verify that the calibration factors that you have entered for the power sensors
are correct.
3
Repeat this test with a “known good” thru cable.
8. Test Port Crosstalk
Perform this test to verify the signal leakage between the analyzer’s test ports.