Keysight E4428C ESG RF - Page 105

Keysight Signal Generators Programming Guide 97
Programming Examples
GPIB Programming Interface Examples
// PROGRAM FILE NAME:visaex5.cpp
//
// PROGRAM DESCRIPTION:This example sets the signal generator FM source to External 2,
// coupling to AC, deviation to 20 kHZ, carrier frequency to 700 MHz and the power level
// to -2.5 dBm. The RF state is set to on.
//
//****************************************************************************************
#include <visa.h>
#include "StdAfx.h"
#include <iostream>
#include <stdlib.h>
#include <conio.h>
void main ()
{
ViSession defaultRM, vi; // Declares variables of type ViSession
// for instrument communication
ViStatus viStatus = 0; // Declares a variable of type ViStatus
// for GPIB verifications
// Initialize VISA session
viStatus=viOpenDefaultRM(&defaultRM);
// open session to gpib device at address 19
viStatus=viOpen(defaultRM, "GPIB::19::INSTR", VI_NULL, VI_NULL, &vi);
if(viStatus){ // If problems, then prompt user
printf("Could not open ViSession!\n");
printf("Check instruments and connections\n");
printf("\n");
exit(0);}
printf("Example program to set up the signal generator\n");
printf("for an AC-coupled FM signal\n");
printf("Press any key to continue\n");
printf("\n");
getch();
printf("\n");
viPrintf(vi, "*RST\n"); // Resets the signal generator
viPrintf(vi, "FM:SOUR EXT2\n"); // Sets EXT 2 source for FM
viPrintf(vi, "FM:EXT2:COUP AC\n"); // Sets FM path 2 coupling to AC
viPrintf(vi, "FM:DEV 20 kHz\n"); // Sets FM path 2 deviation to 20 kHz
viPrintf(vi, "FREQ 700 MHz\n"); // Sets carrier frequency to 700 MHz