HP ESA-E Series Programmer's Manual page 116

Programming Examples
Entering Amplitude Correction Data
if(viStatus)
{
printf("Could not open a session to HP-IB device at
address 18!\n");
exit(0);
}
/*Clear the analyzer*/
viClear(viESA);
/*Reset the analyzer*/
viPrintf(viESA,"*RST\n");
/*Display the program heading*/
printf("\n\t\t Amplitude Correction Program \n\n" );
/*Set the stop frequency to 1.5 GHz*/
viPrintf(viESA,"SENS:FREQ:STOP 1.5 GHz\n");
/*Check for the analyzer model number and route the
50 MHz signal accordingly*/
Route50MHzSignal();
/*Purge any currently-loaded amplitude correction
factors*/
viPrintf(viESA,"SENS:CORR:CSET1:DEL \n");
/*Enter amplitude correction frequency/amplitude
pairs:100 MHz/5 dB, 1 GHz/-5 dB, 1.5MHz/10 dB*/
viPrintf(viESA,"SENS:CORR:CSET1:DATA ");
viPrintf(viESA,"100.E6, 5.0,");
viPrintf(viESA,"1.E9, -5.0,");
viPrintf(viESA,"1.5E6, 10 ; \n");
/*Activate amplitude correction. Notice that the noise
floor slopes up from 0 Hz to 100 MHz, then downward by 10 dB
to 1 GHz, then upwards again by 15 dB to 1.5 GHz.*/
viPrintf(viESA,"SENS:CORR:CSET1:STATE ON \n");
viPrintf(viESA,"SENS:CORR:CSET1:ALL:STAT ON \n");
/*Query the analyzer for the amplitude correction
factors*/
viQueryf(viESA,"%s\n", "%#t","SENS:CORR:CSET1:DATA?;" ,
&iNum , cResult);
3-52 Chapter 3