3-44 ES User’s Guide
Making Measurements
Measuring S21 Forward Transmission using an Enhanced Response Calibration
Calibrating for Insertable Devices
When doing a through-standard calibration, normally the test ports
mate directly together. For example, two cables with the appropriate
connectors can be connected directly without a through adapter,
resulting in a zero-length through-standard. An insertable device is a
device that can be inserted in place of a zero-length through-standard. It
has the same type of connector on each port, but with a different sex, or
the same type of sexless connector on each port (APC-7, for example).
Chapter 6 provides detail about when a user-defined calibration is
necessary, and information about other calibrations available for S
21
measurements. If you wish to perform an enhanced response calibration
on your instrument for an S
21
measurement, execute the following steps:
1. Press .
2. The instrument prompts you to connect four standards—open, short,
load, and through cable—as shown in the following graphic.
3. Press after connecting each standard.
CAL
Open, Short, Load Connections Through Cable Connection
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