Agilent Technologies Model A.08.xx manual Using Limit Lines

Programming Examples

Using Limit Lines

Using Limit Lines

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/* Using Limit Lines		*/
/*		*/
/* 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.		*/
/*		*/
/*		*/
/* - Open a GPIB session at address 18.		*/
/* - Clear the analyzer.		*/
/*	*CLR	*/
/* - Reset the analyzer.		*/
/*	*RST	*/
/* - Set Y-Axis Units to dBm		*/
/*	UNIT:POW DBM	*/
/* - Define the upper limit line to have frequency/		*/
/*	amplitude pairs.	*/
/*	CALC:LLINE1:CONT:DOM FREQ	*/
/*	CALC:LLINE1:TYPE UPP	*/
/*	CALC:LLINE1:DISP ON	*/
/*	CALC:LLINE1:DATA freq1,amp1,1,freq2,amp2,1...	*/

/* - Define the lower limit line to have frequency/amplitude*/

/*	pairs.	*/
/*	CALC:LLINE2:CONT:DOM FREQ	*/
/*	CALC:LLINE2:TYPE LOW	*/
/*	CALC:LLINE2:DISP ON	*/
/*	CALC:LLINE2:DATA freq1,amp1,1,freq2,amp2,1...	*/
/* - Turn the limit line test function on.		*/
/*	CALC:LLINE2:STAT ON	*/

/* - Set the analyzer to a center frequency of 50 MHz, span */

/*	to 20 MHz, and resolution bandwidth to 1 MHz.		*/
/*	SENS:FREQ:SPAN 20	MHZ	*/
/*	SENS:FREQ:CENT 50	MHZ	*/
/*	SENS:BWID:RES 1 MHZ		*/
/* - Turn the limit line test function on.			*/
/* - Set the analyzer reference level to 0 dBm.			*/
/*	DISP:WIND:TRAC:Y:SCAL:RLEV 0		*/

/*	- Set the input port to the 50 MHz amplitude reference.	*/
/*	CAL:SOUR:STAT ON	*/

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