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Measurement Applications (Sample Programs)
Capacitor Measurement Using Test Fixture
Capacitor Measurement Using Test Fixture
This application program perfrom OPEN/SHORT/LOAD correction and measures a
capacitor using a test fixture in the E4981A.
The program of
Example 9-15
inserted as a comment line in the program. For details on the VISA functions, refer to the
I/O Library Suite manual.
Configuration
Define Variables and initialize the program.
Open Instrument
Assigns a USB address or GPIB address to the I/O bus.
Setup Start
Presets the E4981A. Sets Primary and Secondary parameter format.
Inputs measurement frequency and sets E4981A. Sets trigger settings.
Measurement
Performs OPEN/SHORT/LOAD correction. Reads the measurement
results using the *TRG command. Displays the Primary and
Secondary measurement results.
Setup End
Closes the I/O bus.
ErrorProc
Displays an error number when an error occurs.
ErrorCheck
A subroutine to check whether an error occurs when the IO Library
Suite function is executed.
SelectMode
A subroutine to change assignment of the I/O bus and address setting
according to the connection type i.e. USB or GPIB between the
E4981A and a PC.
FnComp
A function which performs OPEN/SHORT/LOAD correction and
returns 1 on success and 0 on failure.
150
is described in detail below. Each explanation below is
Chapter 9
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