Agilent Technologies N9344C Manual de Serviço descarregar pdf (Página 49)

Programming Example 4

Programmer’s Guide 41

#include <stdio.h>

#include <stdlib.h>

#include <math.h>

#include <ctype.h>

#include <string.h>

#include "visa.h"

ViSession defaultRM, viN9342C;

ViStatus errStatus;

ViChar cIdBuff[256]= {0};

char cEnter = 0;

int iResult = 0;

/*Set the input port to 50MHz amplitude reference*/

void Route50MHzSignal()

{

viQueryf(viN9342C, "*IDN?\n", "%t", &cIdBuff);

/* prompt the user*/

/* to connect the amplitude reference output to the input*/

printf ("Connect CAL OUT to the RF IN \n");

printf ("......Press Return to continue \n");

scanf( "%c",&cEnter);

/*Externally route the 50MHz Signal*/

viPrintf(viN9342C,"CAL:SOUR:STAT ON \n");

}

void main()

{

/*Program Variables*/

ViStatus viStatus = 0;

double dMarkerFreq = 0;

double dMarkerAmpl = 0;

float fPeakExcursion =0;

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Agilent Technologies N9344C Manual de Serviço Página 49