Agilent Technologies Model A.08.xx manual

Programming Examples

Making Faster Measurements (multiple measurements)

viPrintf(viESA,":DISP:WIND:TRAC:Y:RLEV -25 DBM\n"); 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, ":DISP:WIND:TRAC:Y:RLEV -20 DBM\n"); viPrintf(viESA,"CAL:SOUR:STAT ON \n");

}

/* Single sweep mode			*/
viPrintf(viESA, ":INIT:CONT OFF\n");
/* Turn off the local display to maximize measurement rate			*/
if(!DISPLAY)	{
viPrintf(viESA, ":DISP:ENAB OFF\n");
}
/* transfer data in definite length,32 bit integer blocks. Select			*/
/* machine units (milli-dBm) to maximize measurement rate			*/
viPrintf(viESA, ":FORM:DATA INT,32\n" );
/* select the byte order; low-byte first for Intel platforms			*/
/* To further increase measurement rate,:FORM:BORD NORM could			*/
/* be used instead. The byte ordering would then need to be			*/
/* done within this program.			*/
viPrintf(viESA, ":FORM:BORD SWAP\n");
/* pre-calculate amount of data to be transferred per measurement			*/
iTermLength = 1;
iArrayLength = iNumPoints * DATA_LENGTH;
iHeaderLength = HeaderLength(iArrayLength);
iBlockSize = iHeaderLength + iArrayLength + iTermLength;
}
/****************	Write binary trace data to ESA	*******************/
void write_binary_trace(char *cScpiCommand, int *ipTraceData)		{

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