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Model 4200A

-SCS Parameter Analyzer Reference Manual Appendix B: Using a Model 590 C-

V Analyzer

4200A-901-01 Rev. C / February 2017 B-13

Details

This user module performs cable compensation for the selected ranges and test frequencies of the

590. The figure below shows the default input parameters for a UTM that uses the

CableCompensate590 user module.

Figure 559: CableCompensate590 default parameters

If the default parameters are used, cable compensation is done for the 2 pF, 20 pF, 200 pF, and 2 nF

ranges and for the 100 kHz and 1 MHz test frequencies. The line 1 input parameter indicates the

directory path where the user-input capacitor source values are saved. These values are entered and

saved using the SaveCableCompCaps590 user module.

Test example 1 demonstrates how to do cable compensation (see Model 590 test examples

(on page

B-5)).

If the file defined for CabCompFile does not exist, or there is no path specified (null string), the

default compensation parameters are used. When entering the path, use two backslash (\\)

characters to separate each directory. For example, if your cable file is in

C:\calfiles\590cal.dat, you enter the following:

C:\\calfiles\\590cal.dat

If a switch matrix to route signals is being controlled by a connection action (for example, connect),

there is no need to connect InputPin and OutPin. Set these parameters to 0.

Returned values are placed in the Analyze sheet.

• 0: OK.

• -10000 (INVAL_INST_ID): The specified instrument ID does not exist

• -10021 (COMP_FILE_NOT_EXIST): The specified compensation file does not exist

• -10022 (KI590_NOT_IN_KCON): There is no CMTR defined in your system configuration.

Keithley 4200A-SCS Reference Manual

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