7-64
Operating Concepts
Modifying Calibration Kits
NOTE It is often simpler to keep the number of standards per class to the bare
minimum needed (often one) to avoid confusion during calibration.
Each class can be given a user-definable label as described under label class menus.
Standards are assigned to a class simply by entering the standard’s reference number
(established while defining a standard) under a particular class. The following is a
description of the softkeys located within the specify class menu:
• allows you to enter the standard numbers for the first class required for an S
11
1-port calibration. (For default calibration kits, this is the open.)
• allows you to enter the standard numbers for the second class required for an
S
11
1-port calibration. (For default calibration kits, this is the short.)
• allows you to enter the standard numbers for the third class required for an S
11
1-port calibration. (For default calibration kits, this is the load.)
• allows you to enter the standard numbers for the first class required for an S
22
1-port calibration. (For default calibration kits, this is the open.)
• allows you to enter the standard numbers for the second class required for an
S
22
1-port calibration. (For default calibration kits, this is the short.)
• allows you to enter the standard numbers for the third class required for an S
22
1-port calibration. (For default calibration kits, this is the load.)
• allows you to enter the standard numbers for the forward transmission
thru calibration. (For default calibration kits, this is the thru.)
• allows you to enter the standard numbers for the reverse transmission
(thru) calibration. (For default calibration kits, this is the thru.)
• allows you to enter the standard numbers for the forward match (thru)
calibration. (For default calibration kits, this is the thru.)
• allows you to enter the standard numbers for the reverse match (thru)
calibration. (For default calibration kits, this is the thru.)
• allows you to enter the standard numbers for a response calibration. This
calibration corrects for frequency response in either reflection or transmission
measurements, depending on the parameter being measured when a calibration is
performed. (For default kits, the standard is either the open or short for reflection
measurements, or the thru for transmission measurements.)
• allows you to enter the standard numbers for a response &
isolation calibration. This calibration corrects for frequency response and directivity in
reflection measurements, or frequency response and isolation in transmission
measurements.
• allows you to enter the standard numbers for a TRL thru calibration.
• allows you to enter the standard numbers for a TRL reflect
calibration.
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