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7-5 OFFSET-SHORT
CALIBRATION (SSLT)
The Offset-Short calibration, now also referred to as the Double Off
-
set-Short Calibration, is the standard technique for waveguide; how
-
ever, this method can be used for the coaxial and microstrip line types
as well. It uses two shorts, two loads, and a thru line to categorize the
inherent errors in the waveguide measurement system. These errors
include those caused by connectors as well as internal system errors
such as RF leakage, IF leakage, and component interaction.
Calibration Procedure A detailed, step-by-step procedure for performing an Offset-Short cali
-
bration for waveguide is given below.
Step 1. Press the Begin Cal key.
Step 2.
Select CHANGE CAL METHOD AND LINE
TYPE, in menu C11 (left). (This assumes OFFSET
SHORT and WAVEGUIDE are not presently shown
in blue as being selected.)
OFFSET-SHORT CALIBRATION (SSLT) MEASUREMENT CALIBRATION
7-28 37xxxE OM
.
-
Measurement
Enhancement
Channels
Display
Begin
Cal
Apply
Cal
MENU C11
BEGIN CALIBRATION
KEEP EXISTING
CAL DATA
REPEAT
PREVIOUS CAL
AUTOCAL
CAL METHOD
XXXXXXX
TRANSMISSION
LINE TYPE:
XXXXXXXX
CHANGE CAL
METHOD AND
LINE TYPE
NEXT CAL STEP
PRESS <ENTER>
TO SELECT