Performing Ecal Calibrations; Required Procedure For All Calibrations - HP 85097A User Manual

Operating an ECal System

Performing ECal Calibrations

Performing ECal Calibrations
Determine which calibration type you need to perform. Locate the
information about that type of calibration on the following pages, then
proceed with the required steps.
The ECal system starts the calibration process. Upon completion, the
NOTE
selected module is underlined in the VNA menu. The VNA will give you
the message to Connect Std. If one module covers the frequency range
setting of the VNA, disregard this message as you have completed this
part of the process and may proceed to save the calibration.

Required Procedure for All Calibrations

For any calibration type, complete the following steps before starting
the calibration procedure.
Use Port A on the ECal module
For each calibration procedure, unless otherwise specified, use Port A
on the calibration module for all 1-port calibrations. Although module
Ports A and B are interchangeable for single port measurements, the
preferred port is Port A.
Enter all VNA settings
1. Set up the VNA as required.
Choose the ECal module
2. Select the appropriate ECal module(s) for frequency range and
Attach the ECal module
3. Connect the ECal module(s) to the PC interface and allow the
Sweep-mode calibrations are possible on the HP 8720 series VNAs.
NOTE
However, the calibration will be degraded relative to step-mode
calibration.
2-22
Refer to the appropriate VNA user's guide for more information.
connector type.
Refer to Table 1-4 on page 1-10
module(s) to warm up for at least 10 minutes.
for a listing of module types.
Chapter 2