HP E1340A User's Manual
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5. Initiate the Waveform -
INITiate[:IMMediate]
This command generates an immediate output with the arm source
set to
IMMediate. Refer to Chapter 5 for triggering information.
HP IBASIC Program Example (ROM_DOWN)
1 !RE-SAVE“ROM_DOWN”
2 !This program downloads a 4096 point waveform to waveform segment
3 !memory from block 16 (EEPR16) of the AFG’s waveform EEPROM.
4!
10 !Assign I/O path between IBASIC and the E1340A.
20 ASSIGN @Afg TO 80910
30 COM @Afg
40 !
50 !Set up error checking
60 ON INTR 8 CALL Errmsg
70 ENABLE INTR 8;2
80 OUTPUT @Afg;“*CLS”
90 OUTPUT @Afg;“*SRE 32”
100 OUTPUT @Afg;“*ESE 60”
110 !
120 !Call the subprogram which resets the AFG.
130 CALL Rst
140 !
150 !Set AFG parameters
160 OUTPUT @Afg;“SOUR:FREQ:FIX 1E3;”;!frequency
170 OUTPUT @Afg;“:SOUR:FUNC:SHAP USER;”;!function
180 OUTPUT @Afg;“:SOUR:VOLT:LEV:IMM:AMPL 5V”!amplitude
190 OUTPUT @Afg;“SOUR:ARB:DOWN EEPR16,A,4096”!download
waveform
200 OUTPUT @Afg;“SOUR:FUNC:USER A” !select sequence
210 OUTPUT @Afg;“INIT:IMM” !wait-for-arm state
220 !
230 WAIT .1 !allow interrupt to be serviced
240 OFF INTR 8
250 END
260 !
270 SUB Rst
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340 SUB Errmsg
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Chapter 3 Generating Arbitrary Waveforms with the HP E1340A 74