Displaycablecompcaps590 User Module - Keithley 4200A-SCS Reference Manual

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Model 4200A-SCS Parameter Analyzer Reference Manual

1. You are prompted to open the circuit so that an offset capacitance measurement can be made if

2. If a cable compensation file is specified, the compensation information in that file for the selected

range and frequency is loaded. If not, instrument default compensation is used.

3. A C-V sweep is performed.

DisplayCableCompCaps590 user module

DisplayCableCompCaps590 reads the nominal cable compensation values that are stored in the compensation

file, and returns them to the calling function or, in the case of Clarius, to the Analyze sheet.

status = DisplayCableCompCaps590(char *CabCompFile, double *Range, int RangeSize,

double *Values100k, int Values100kSize, double *Values1M, int Values1MSize);

Values100kSize

Values1MSize

This user module is used for 590 cable compensation. When this test is run, the nominal capacitance

source values saved by the SaveCableCompCaps590 user module are placed into a spreadsheet.

The default parameters for this user module are shown in the following figure. Line 1 specifies the file

directory path where the capacitance values are saved. This file directory path must be the same as

the one used by the SameCableCompCaps590 user module.

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

Returned values are placed in the Analyze sheet; see Details

The complete name and path for the cable compensation file; see Details

Output: An 8-element array that receives the nominal range values

The size of the Range array; set to 8

Output: An 8-element fixed array that receives the nominal capacitor values used

for the cable compensation at the 100 kHz frequency

The size of the Values100k array; set to 8

Output: An 8-element fixed array that receives the nominal capacitor values used

for the cable compensation at the 1 MHz frequency

The size of the Values1M array; set to 8

Figure 568: DisplayCableCompCaps590 default parameters

Appendix B: Using a Model 590 C-V Analyzer