Agilent Technologies ESA-E Series Programmer's Manual page 85

Esa spectrum analyzers
Hide thumbs Also See for ESA-E Series:
Table of Contents

Advertisement

Programming Examples
Reading Trace Data Using 32-bit Real Format (HP-IB)
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <conio.h>
#include <ctype.h>
#include <string.h>
#include "visa.h"
#define
hpESA_IDN_E4401B
#define
hpESA_IDN_E4411B
ViSession defaultRM, viESA;
ViChar
cIdBuff[256];
char
cEnter =0;
int
iResult =0;
void Route50MHzSignal()
{
viQueryf(viESA, "*IDN?\n", "%t", &cIdBuff);
iResult = (strncmp( cIdBuff, hpESA_IDN_E4401B, strlen(hpESA_IDN_E4401B)) &&
strncmp( cIdBuff, hpESA_IDN_E4411B, strlen(hpESA_IDN_E4411B)));
if( iResult == 0 )
{
/*Set the input port to the 50MHz internal reference source for the models*/
/*E4411B and E4401B*/
viPrintf(viESA,"CAL:SOUR:STAT ON \n");
}
else
{
/* For the analyzers having frequency limits >= 3GHz, prompt the user to*/
/* connect the amplitude reference output to the input*/
printf ("Connect AMPTD REF OUT to the INPUT \n");
printf ("......Press Return to continue \n");
scanf( "%c",&cEnter);
/*Externally route the 50MHz Signal*/
viPrintf(viESA,"CAL:SOUR:STAT ON \n");
}
}
void main()
{
/*Program Variables*/
ViStatus viStatus= 0;
ViChar _VI_FAR cResult[5000] = {0};
3-30
"Hewlett-Packard, E4401B"
"Hewlett-Packard, E4411B"
Chapter 3

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents