Programming Examples

GPIB Programming Interface Examples

//PROGRAM FILE NAME:visaex6.cpp

//PROGRAM DESCRIPION:This example generates an internal FM signal at a 900

//MHz carrier frequency and a power level of -15 dBm. The FM rate is 5 kHz and the peak

//deviation 100 kHz

//

//****************************************************************************************

#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

viStatus=viOpenDefaultRM(&defaultRM); // Initialize VISA session

//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("\n");

 

printf("Press any key to continue\n");

 

getch();

 

viClear(vi);

// Clears the signal generator

viPrintf(vi, "*RST\n");

// Resets the signal generator

viPrintf(vi, "FM2:INT:FREQ 5 kHz\n");

// Sets FM path 2 to internal at a modulation rate of 5 kHz

viPrintf(vi, "FM2:DEV 100 kHz\n");

// Sets FM path 2 modulation deviation rate of 100 kHz

viPrintf(vi, "FREQ 900 MHz\n");

// Sets carrier frequency to 900 MHz

viPrintf(vi, "POW -15 dBm\n");

// Sets the power level to -15 dBm

viPrintf(vi, "FM2:STAT ON\n");

// Turns on frequency modulation

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Agilent N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide

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Agilent Technologies N5181A/82A, N5183A MXG, E8663B manual Programming Examples Gpib Programming Interface Examples

N5183A, N5183A MXG, E8663B, N5181A/82A specifications

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