Keysight CXG, EXG, and MXG X-Series Signal Generators Programming Guide 379
Creating and Downloading User–Data Files
User Flatness Correction Downloads Using C++ and VISA
User Flatness Correction Downloads Using C++ and VISA
This sample program uses C++ and the VISA libraries to download user–
flatness correction values to the signal generator. The program uses the LAN
interface but can be adapted to use the GPIB interface by changing the
address string in the program.
You must include header files and resource files for library functions needed to
run this program. Refer to “Running C++ Programs” on page 63 for more
information.
The FlatCal program asks the user to enter a number of frequency and
amplitude pairs. Frequency and amplitude values are entered through the
keyboard and displayed on the console interface. The values are then
downloaded to the signal generator and stored to a file named flatCal_data.
The file is then loaded into the signal generator’s memory catalog and
corrections are turned on. The figure below shows the console interface and
several frequency and amplitude values. Use the same format, shown in the
figure below, for entering frequency and amplitude pairs (for example, 12ghz,
1.2db).
Figure 6-1 FlatCal Console Application
The program uses VISA library functions. The non–formatted viWrite VISA
function is used to output data to the signal generator. Refer to the Keysight
VISA User’s Manual available on Keysight’s website:
http:\\www.keysight.com for more information on VISA functions.
The program listing for the FlatCal program is shown below. It is available on
the Documentation CD–ROM in the programming examples section as
flatcal.cpp.
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