96 Keysight CXG, EXG, and MXG X-Series Signal Generators Programming Guide
Programming Examples
GPIB Programming Interface Examples
Generating a Step-Swept Signal Using VISA and C++
In this example the VISA library is used to set the signal generator for a
continuous step sweep on a defined set of points from 500 MHz to 800 MHz.
The number of steps is set for 10 and the dwell time at each step is set to 500
ms. The signal generator will then be set to local mode which allows the user
to make adjustments from the front panel. Launch Microsoft Visual C++ 6.0,
add the required files, and enter the following code into your .cpp source file.
visaex7.cpp performs the following functions:
— clears and resets the signal generator
— sets up the instrument for continuous step sweep
— sets up the start and stop sweep frequencies
— sets up the number of steps
— sets the power level
— turns on the RF output
The following program example is available on the signal generator
Documentation CD-ROM as visaex7.cpp.
//*****************************************************************
// PROGRAM FILE NAME:visaex7.cpp
//
// PROGRAM DESCRIPTION:This example will program the signal
generator to perform a step
// sweep from 500-800 MHz with a .5 sec dwell at each frequency
step.
//
//*****************************************************************
#include <visa.h>
#include "StdAfx.h"
#include <iostream>
void main ()
{
ViSession defaultRM, vi;// Declares variables of type ViSession
// vi establishes instrument communication
ViStatus viStatus = 0;// Declares a variable of type ViStatus
// for GPIB verifications
viStatus=viOpenDefaultRM(&defaultRM); // Initialize VISA session
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