prog.book : chapter1.fm 59 Mon Feb 15 09:24:37 1999
Power Meter Remote Operation
Measuring Pulsed Signals
HP E4418B/E4419B Programming Guide 1-59
10 !Create I/O path name
20 ASSIGN @Power TO 713
30 !Clear the Power Meter’s Interface
40 CLEAR @Power
50 !Set the Power Meter to a known state
60 OUTPUT @Power;"*RST"
70 !Configure the Power Meter to make the measurement
80 OUTPUT @Power;"CONF:POW:AC 20DBM,2,(@1)"
90 !Set the reference calibration factor for the sensor
100 OUTPUT @Power;"CAL:RCF 98.7PCT"
110 !Zero and calibrate the power meter
120 OUTPUT @Power;"CAL?"
130 PRINT "ZEROING AND CALIBRATING THE POWER METER"
140 !Verify the outcome
150 ENTER @Power;Success
160 IF Success=0 THEN
170 !Calibration cycle was successful
180 !
190 !Set the measurement units to Watts
200 OUTPUT @Power;"UNIT:POW WATT"
210 !
220 !Set the measurement calibration factor for the
sensor
230 OUTPUT @Power;"SENS:CORR:CFAC 97.5PCT"
240 !Set the power meter for a duty cycle of 16PCT
250 OUTPUT @Power;"SENS1:CORR:DCYC 16PCT"
260 !
270 !Enable the duty cycle correction
280 OUTPUT @Power;"SENS:CORR:DCYC:STAT ON
290 PRINT "MAKING THE MEASUREMENT"
300 !Initiate the measurement
310 OUTPUT @Power;"INIT1:IMM"
320 !... and get the result
330 OUTPUT @Power;"FETC?"
340 ENTER @Power;Reading
350 !
360 PRINT "The result is ";Reading*1000;"mW"
370 !
380 ELSE
390 PRINT "THERE WAS A CALIBRATION ERROR!"
400 END IF
410 PRINT "PROGRAM COMPLETED"
420 END
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