User`s guide

2-14 Chapter2
Operation
Operation
GPIB Calibration Scenarios
Port 1 GPIB Calibration Scenario:
Port 1 is always the forward port. S11 standards only apply.
Port 2 GPIB Calibration Scenario:
Port 1 and Port 2 can be considered Trans FWD or Refl FWD.
Port 2 and Port 3 can be considered Trans REV or Refl REV. Port 2
can be either a forward (FWD) or reverse (REV) port depending on
the selected port combination. The portstate selected determinesif
Port 2 will need S
11
or S
22
calibration and standards. In the case of
select Port 1 and Port 2, there is no difference from the standard
instrument because Port 2 is a reverse port. In the case of select
Port 2 and Port 3, Port 2 needs standards for S
11
, being that Port 2
now becomes the forward port.
Port 3 GPIB Calibration Scenario:
Port 3 is always the reverse port. S
22
standards only apply.