Reading Trace Data Using Ascii Format (Hp-Ib) - Agilent Technologies ESA-E Series Programmer's Manual

Programming Examples

Reading Trace Data using ASCII Format (HP-IB)

Reading Trace Data using ASCII Format
(HP-IB)
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/* Reading Trace Data using ASCII Format (HP-IB)

/*
/* This C programming example does the following.
/* The required SCPI instrument commands are given as
/* reference.
/*
/* - Opens an HP-IB session at address 18
/* - Clears the Analyzer
/* - Resets the Analyzer
/* *RST
/* - Set the input port to the 50 MHz amplitude reference
/* E4411B or E4401B
/* CAL:SOUR:STAT ON
/* E4402, E4403B, E4404BE, 4405B, E4407B or E4408B
/* Prompt to connect AMPTD REF OUT to INPUT
/* CAL:SOUR STAT ON
/* - Query for the number of sweep points (only applies to
/* firmware revisions A.04.00 and later); default is 401
/* SENS:SWE:POIN?
/* - Sets the analyzer center frequency to 50 MHz
/* SENS:FREQ:CENT 50 MHZ
/* - Sets the analyzer span to 50 MHz
/* SENS:FREQ:SPAN 50 MHZ
/* - Set the analyzer to single sweep mode
/* INIT:CONT 0
/* - Trigger a sweep
/* INIT:IMM
/* - Check for operation complete
/* *OPC?
/* - Specify units in dBm
/* UNIT:POW DBM
/* - Set the analyzer trace data to ASCII
/* FORM:DATA: ASC
/* - Trigger a sweep
/* INIT:IMM
/* - Check for operation complete
/* *OPC?
/* - Query the trace data
/* TRAC:DATA? TRACE1
/* - Remove the "," from the ACSII data
3-24
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Chapter 3