Agilent Technologies E5071C Manual page 182

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shorter offset element can be a zero-length (Flush-thru) offset. The load
element is defined as a 1-port reflection standard. An offset load standard
is used when the response of the offset elements are more precisely known
than the response of the load element. This is the case with waveguide.
Measurement of an offset load standard consists of two measurements,
one with each of the two offset elements terminated by the load element.
The frequency range of the offset load standard should be set so that there
will be at least a 20 degree separation between the expected response of
each measurement.
To specify more than two offset elements, define multiple offset load
standards.
The following calibration kits are supported:
X11644A X Band 90 Calibration Kit
P11644A P Band WG 62 Calibration Kit
K11644A K Band WG 42 Calibration Kit
Procedure
Follow these steps to perform calibration using offset load. The example
demonstrates re-calibration for full 1-port calibration.
1. Press
Channel Next/Channel Prev
you want to perform the calibration.
2. Press
Cal
3. Click Calibrate > Cal Kit.
4. Select the calibration kit with sliding load, for example, X11644A.
5. Press
Cal
6. Click Calibrate > 1-Port Cal > Select Ports.
7. Select the test ports for which you want to perform re-calibration for
full 1-port calibration.
8. Make a OPEN connection on the selected test port.
9. Click Open.
10.
Make a SHORT connection on the selected test port.
11.
Click Short.
12.
Click Calibrate > 1-Port Cal > Load > Load 2 Offset Load.
13.
Make a LOAD connection on the selected test port with a offset
load (Thru).
The K11644A K Band WG 42 Calibration Kit is not verified.
key.
key.
keys to select the channel for which
Measurement
181

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