R&S ZVH
Cable and Antenna Test Mode
Performing Cable and Antenna Measurements
Operating Manual 1309.6946.12 - 09
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2.1.6.2 Calibration Methods
The following calibration types are available in antenna and cable test mode.
● Full 2-Port
Both test ports are calibrated for a complete set of measurements. The calibration
routine therefore requires the connection of the standards load, open and short to
both test ports, and a through connection of the test ports. The influences of the
test setup and of the isolation between the test ports are thereby determined and
taken into account in the subsequent measurement of the device under test.
While this method is the most time-consuming during calibration, it does provide
the greatest accuracy for all measurements at both test ports without recalibration
and is thus the most flexible.
● Full 2-Port High Accuracy
Both test ports are calibrated like the full 2-port calibration. In addition, the load
match is taken into account more accurately and correction data is applied in both
directions, forward and reverse.
This method provides even more accurate results than the normal full 2-port
calibration but takes a while longer to finish.
● Full 1-Port
Test port 1 is calibrated for measurements on that port. The calibration routine
requires the calibration standards open, short and load to be connected one after
another.
● Easy 1-Port
Test port 1 is calibrated for measurements on that port. The calibration procedure
requires no calibration standards as the R&S ZVH calibrates an open only.
● Normalize Transmission
Both test ports are calibrated for transmission measurements. The calibration
routine requires only a through connection. In the subsequent measurement, the
isolation between the test ports is not taken into account, a possible cross-talk
between the test ports in the test setup is not eliminated.
● Normalize Transmission Isolation
This calibration method works like the normalization. However, to take isolation
into account, a load match is also required.
2.1.6.3 Performing a Full 2-Port Calibration
The procedure below shows a full 2-port calibration routine. All other calibration
methods basically work the same way, except for the type and number of calibration
standards you are going to need.
► Disconnect the DUT from the RF cable.
After disconnecting the DUT, the R&S ZVH is ready for calibration.
