Cable Measurements R&S FSH
1309.6275.12 4.70 E-2
Press the CALIBRATE softkey.
Using the rotary knob or the cursor keys, select
DTF ONLY from the menu and confirm with the
CALIBRATE softkey or the ENTER key
The R&S FSH opens a text window which prompts the
user to terminate the measurement cable with a
SHORT.
Firmly screw the SHORT to the output end of the
measurement cable.
Press the CONTINUE softkey to start the SHORT
calibration.
Calibration can be aborted by pressing CANCEL.
When calibration is done, the R&S FSH displays DTF
(CAL) in the upper area of the screen.
The trace displays cable reflections versus distance
from the measurement plane.
Note on Calibration:
Calibration is performed over the entire R&S FSH frequency range. This eliminates the need for
recalibration when a different cable length is selected. The calibration data are saved in the R&S FSH's
internal memory so that calibration remains effective when switchover is made to another operating
mode or the instrument is switched off. As a precondition for calibration to remain valid, however, the
instrument temperature must not change by more than 5 °C after calibration.
Unscrew the SHORT from the measurement cable.
Screw the cable under test to the measurement cable.
The R&S FSH displays the reflections produced in the
cable under test.
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