Programming Examples

Measuring Harmonic Distortion (GPIB)

Measuring Harmonic Distortion (GPIB)

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

/* Measuring Harmonic Distortion (GPIB)

*/

/*

 

*/

/* This example is for the E44xxB ESA Spectrum Analyzers

*/

/* and E740xA EMC Analyzers.

*/

/*

 

*/

/* This C programming example does the following.

*/

/* The SCPI instrument commands used are given as

*/

/* reference.

*/

/*

 

*/

/* - Opens a GPIB session at address 18

*/

/* - Clears the Analyzer

*/

/*

*CLS

*/

/* - Resets the Analyzer

*/

/*

*RST

*/

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

*/

/*

CAL:SOUR:STAT ON

*/

/* - Set the analyzer center frequency to the fundamental

*/

/*

SENS:FREQ:CENT freq

*/

/* - Set the analyzer to 10 MHz span

*/

/*

SENS:FREQ:SPAN 10 MHZ

*/

/* - Set the analyzer to single sweep mode

*/

/*

INIT:CONT 0

*/

/* - Take a sweep and wait for sweep completion

*/

/*

INIT:IMM;*WAI

*/

/* - Perform the peak search

*/

/*

CALC:MARK:MAX

*/

/* - Set the marker to reference level

*/

/*

CALC:MARK:SET:RLEV

*/

/* - Take a sweep and wait for sweep completion

*/

/*

INIT:IMM;*WAI

*/

/* - Perform the peak search

*/

/*

CALC:MARK:MAX

*/

/* - Change VISA timeout to 60 seconds

*/

/* - Activate signal track

*/

/*

CALC:MARK:TRCK:STAT ON

*/

/* - Perform narrow span and wait

*/

/*

SENS:FREQ:SPAN 10e4

*/

/* - Check for operation complete

*/

/*

*OPC?

*/

/* - De-activate signal track

*/

/*

CALC:MARK:TRCK:STAT OFF

*/

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Agilent Technologies Model  A.08.xx manual Measuring Harmonic Distortion Gpib

Model A.08.xx specifications

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