Chapter 3 — Performance Verification
3-6 Directivity and Test Port Match Verification
MN469xC Series Multiport Test Set MM
PN: 10410-00730 Rev. D
3-13
47.
Select
Port 2 Reflective Device
48.
Connect the Open from the Calibration Kit to Port 2 of the VNA.
49.
Select
Open
.
50.
Disconnect the Open from Port 2 and connect the Short.
51.
Select
Short
52.
Disconnect the Short from Port 2 and connect the termination.
53.
Select
Load
54.
Select
Back
to return to previous menu.
55.
Select
Port 3 Reflective Device
56.
Connect the Open from the Calibration Kit to Port 3 of MN469xC.
57.
Select
Open
.
58.
Disconnect the Open from Port 3 and connect the Short.
59.
Select
Short
60.
Disconnect the Short from Port 3 and connect the termination.
61.
Select
Load
62.
Select
Back
to return to previous menu.
63.
Select
Port 4 Reflective Device
64.
Connect the Open from the Calibration Kit to Port 4 of MN469xC.
65.
Select
Open
.
66.
Disconnect the Open from Port 4 and connect the Short.
67.
Select
Short
68.
Disconnect the Short from Port 4 and connect the termination.
69.
Select
Load
70.
Select
Back
to return to previous menu.
71.
Select
Done
72.
Select
Tr1
|
Trace
|
Trace Max
73.
Connect the Air Line to Port 1 and then terminate the Air Line with the Offset Termination.
74.
Select
Scale
|
Auto Scale Active Trace
75.
Select
Marker
76.
Click
Mkr 1
,
Mkr 2
and
Mkr 3
to turn these markers
On
.
77.
Using the mouse to move Mkr 1 and Mkr 3 to adjacent peaks of the ripple with the greatest negative
trough (or adjacent troughs if the ripple has the greatest positive peak) in the frequency band of interest
as shown in
below. For frequency band information, in
, refer to either:
•
Table A-1, “Directivity Record for MN4694C Multiport VNA System” on page A-2
for MN4694C
•
Table A-3, “Directivity Record for MN4697C Multiport VNA System” on page A-4
for MN4697C
Caution
Finger tighten only. Do not use torque wrench to tighten the connector connection for this step.
Содержание VectorStar MN469 C Series
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