Keysight Technologies InfiniiMax III Series, User Manual

Page: 82 / 128

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5. Performance Verification
Bandwidth Performance Verification
Figure 57 De-embedded “Vin” trace
10
Now move the 2.92 mm male test port 1 connector to the 5062_1247
adapter and N5477A Autoprobe II adapter assembly. Connect the
Maury Microwave 8775B2 2.92 mm male broadband load to the
1250_1749 adaptor and N5443A PV fixture assembly. This new setup
is shown in Figure 58 . Torque all connections.
11
Install the proper file to de-embed the 5062_1247 adapter and
N5477A adapter from port 1 of the VNA.
a
Create a Touchstone file for the 5062-1247 and N5477A by cutting
and pasting the text in “Touchstone File (5062-1247 & N5477A)" on
page 91. Name the file Adapter_5062_1247___Adapter_N5477A.s2p .
b
Go to menu “Calibration/Fixturing Selections/2 Port
De-embedding” and select Port 1.
c
Set S2P file selection to the file saved in step a.
d
Make sure the “Enable De-embedding” box is still checked.
e
Under “Calibration” menu, make sure “Fixturing ON/off” is still
checked so file is being used for de-embedding.
12
Trigger VNA to perform a single sweep.
a
Press “Trigger” under Channel Setup, and then the green soft-key
for “Single”.
b
Under “Scale” menu, adjust the reference level until the 50 MHz
point (left side of the screen) is at center screen. Reference level