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Chapter 2 2-15
Quick Start: Learning How to Make Measurements
Learning to Make Reflection Measurements
Step 2. Make a measurement calibration
Follow these instructions to perform an S
11
or reflection 1-port error correction:
1. Select a calibration kit that is appropriate to your device under test. Press
. Choose the calibration kit that is appropriate to
your test device by pressing the appropriate softkey. For example, if your test device
uses type-N 50Ω connectors, press . If your test device uses 7-mm connectors,
press , and so on.
2. Press twice, or
.
3. Follow the prompts shown on the analyzer display to connect and measure an open,
short, and load on PORT 1 or the REFLECTION port.
Any choice of male/female in the calibration process should always be made for the sex
that represents the test port. For example, if the test port had a male, type-N connector,
you would connect the female, type-N calibration device. But when you follow the
prompts on the analyzer to measure a short calibration standard, you would select
, or the sex that represents the test port.
NOTE To ensure an accurate error correction, you must connect the calibration
standards to the adapters or cables that you will include in the actual device
measurement.
NOTE If a mistake is made, standards can be measured more than once before
pressing . Only the last measurement data is used.
Figure 2-9 Connections for an S
11
or Reflection 1-Port Error-Correction
4. Press after measuring the three standards.
5. Press .
Cal
CAL KIT [ ]
SELECT CAL KIT
N 50
Ω
7mm
RETURN
CALIBRATE MENU
S11 1-PORT
REFLECTION 1-PORT
SHORT (M)
DONE 1-PORT CAL
DONE 1-PORT CAL
Save/Recall