3-6 ME7838A/E System Verification Procedure—Waveguide Millimeter-Wave System Configuration
3-10
PN: 10410-00306 Rev. F
VectorStar ME7838 Series MM
72.
Select
Position 6
to measure.
73.
Click
Back
on the lower section of the right side menu to return to the previous menu.
74.
Remove the sliding load from Port 2.
75.
Select
Done
to complete the calibration.
Port 1 Directivity Verification:
76.
Select
Tr1
|
Trace
|
Trace Max
. The VNA should display the S
11
measurement trace.
77.
Select
Display
|
Trace Format
|
Log Mag
.
78.
Connect the Flann precision waveguide straight section (Flann 26443-4122 for WR-12, Flann 27443-4123
for WR-10) to Port 1 and leave one end open.
79.
Select
Scale
|
Auto Scale Active Trace
.
80.
Select
Marker
.
81.
Click
Mkr 1
,
Mkr 2
, and
Mkr 3
to turn these markers
On
.
82.
Using the mouse to move Mkr 1 and Mkr 2 to adjacent peaks of the ripple with the greatest negative
trough (or the adjacent troughs if the ripple has the greatest positive peak) in the frequency band of
interest as shown in
Figure 3-2, “Markers Positioning for Directivity Verification”
Note
Ensure that the open end of the waveguide straight section is
not
facing any RF reflective surface.
Figure 3-2.
Markers Positioning for Directivity Verification
Содержание VectorStar ME7838 Series
Страница 2: ......
Страница 14: ...1 6 ME7838 Series VNA System Overview General Information 1 6 PN 10410 00306 Rev F VectorStar ME7838 Series MM ...
Страница 28: ...1 7 Recommended Test Equipment General Information 1 20 PN 10410 00306 Rev F VectorStar ME7838 Series MM ...
Страница 76: ...4 10 ME7838G System Operation Theory Of Operation 4 16 PN 10410 00306 Rev F VectorStar ME7838 Series MM ...
Страница 94: ...5 3 ALC Level Calibration Adjustment 5 18 PN 10410 00306 Rev F VectorStar ME7838 Series MM ...
Страница 176: ...A 3 ME7838G WR05 S Parameter Measurements Test Record Test Records A 4 PN 10410 00306 Rev F VectorStar ME7838 Series MM ...
Страница 177: ......
