3-3 Calibration - 2-Port Calibration Procedure (OSLT) Chapter 3 — Vector Network Analyzer
3-6 MS20xxA VNA Master UG 10580-00166 Rev. C
Connector soft key and use the rotary knob or Up/Down arrow keys to highlight the
appropriate connector and press the rotary knob or
Enter to select.
5. Press the
Cal Power soft key to set the power level to Low (–35 dBm) or High (0 dBm).
6. Select
Low for active devices to prevent saturation of either the DUT or the RF Input on
the VNA Master. Select
High for passive devices. For additional information, refer to
“2-Port Gain Measurements” on page 3-19.
7. Press the
Start Cal soft key.
8. Connect the Open to the
RF Out port (or to the end of the test port extension cable) and
press the
Enter key.
9. When prompted, connect the short to the
RF Out port (or to the end of the test port
extension cable) and press the
Enter key.
10. When prompted, connect the Loads to the
RF Out port (or to the end of the test port
extension cable) and to the
RF In port (or to the end of the test port extension cable) and
press the
Enter key.
11. Connect the
RF Out port to the RF In port, including any test port extension cables used in
the prior steps, and press the
Enter key.
Note
If none of the connectors shown in the DUT Connector Selector list are suitable for
the application, then two selections (User 1 and User 2) can be custom defined.
To edit the characteristics, select User 1 or User 2 and press
Enter. Press the
Configure DUT User 1 or Configure DUT User 2 soft key. The menu allows editing
of the offset lengths for the Open and Short, and the capacitance values for the
Open.
To change a value, press the appropriate soft key, enter the proper value using the
numeric keypad, and press
Enter to accept.
When all values are correct, press the Back soft key to return to the Calibration
menu.
10580-00166C.book Page 6 Thursday, February 21, 2008 12:52 PM
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