Two-port measurements with the tracking generator R&S FSH
1309.6275.12 4.56 E-2
Press the MEAS MODE softkey and select
SCALAR
Press the CALIBRATE softkey.
Using the rotary knob or the cursor keys, select the
menu item NORMALIZE REFLECTION PORT 1
(SHORT).
The R&S FSH prompts the user to connect an open to
the measurement input.
Connect an open to the measurement port of the
bridge.
By pressing CONTINUE, start the OPEN
calibration.
Press the CANCEL softkey to abort calibration.
When OPEN calibration is done, the R&S FSH prompts the user to perform SHORT calibration.
Connect a short to the measurement input of the
bridge.
Using CONTINUE start the SHORT calibration.
Calibration can be aborted with CANCEL.
Note: Instead of a SHORT, the R&S FSH can
be calibrated again with an OPEN. As the
R&S FSH only measures the magnitude
of the reflected voltage, it cannot
distinguish between a SHORT and an
OPEN. However, calibration with a
SHORT increases measurement accuracy
because the R&S FSH takes the average
of the calibration values for the SHORT
and the OPEN.
When calibration is done, the R&S FSH outputs the
message "Calibration done!" for 3 seconds.
REFLECTION SCALAR (CAL) MAGNITUDE appears
in the upper right-hand corner of the measurement
diagram to indicate that the R&S FSH is calibrated for
reflection measurements
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