4-11
Supplement for the User’s Guide (Firmware Version 7.68)
Enhanced Frequency Response Error Correction
8. To measure the standard, when the displayed trace has settled, press .
The analyzer displays WAIT - MEASURING CAL STANDARD during the standard
measurement. The analyzer underlines the softkey after it measures the
standard.
9. Disconnect the open, and connect a short circuit to the test port.
10.To measure the device, when the displayed trace has settled, press .
The analyzer measures the short circuit and underlines the softkey.
11.Disconnect the short, and connect an impedance-matched load to the test port.
12.To measure the standard, when the displayed trace has settled, press , select
the type of load you are using, and then press when the analyzer has
finished measuring the load.
Notice that the softkey is now underlined.
13.To compute the reflection correction coefficients, press .
14.To start the transmission portion of the correction, press .
15.Make a "thru" connection between the points where you will connect your device under
test as shown in Figure 4-1 (or Figure 4-2).
NOTE Include any adapters or cables that you will have in the device measurement.
That is, connect the standard device where you will connect your device under
test.
NOTE The thru in most calibration kits is defined with zero length. The correction
will not work properly if a non-zero length thru is used, unless the calibration
kit is modified to change the defined thru to the length used. This is
important for measurements of non-insertable devices (devices having ports
that are both male or both female). The modified calibration kit must be
saved as the user calibration kit, and the softkey must be
selected before the calibration is started.
16.To measure the standard, when the trace has settled, press:
or
The analyzer underlines the softkey label after it makes each measurement.
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