Making The Measurement - Agilent Technologies EPM-P Series Programming Manual

Example
The following example program, in HP Basic, details how to use the
channel and display offsets on an E4417A making a channel A/B ratio
measurement. The final result will be:
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:RAT 20DBM,2,(@1),(@2)"
90 !Set the measurement units to dBm
100 OUTPUT @POWER;"UNIT:POW DBM"
110 !Set the power meter for channel offsets of -10 dB
120 OUTPUT @POWER;"SENS1:CORR:GAIN2 -10"
130 OUTPUT @POWER;"SENS2:CORR:GAIN2 -10"
140 !Enable the gain correction
150 OUTPUT @POWER;"SENS:CORR:GAIN2:STATe ON"
160 OUTPUT @POWER;"SENS2:CORR:GAIN2:STATe ON"
170 !Set the power meter for a display offset of -20 dB
180 OUTPUT @POWER;"CALC1:GAIN -20 DB"
190 PRINT "MAKING THE MEASUREMENT"
200 !Initiate the measurement
210 OUTPUT @Power;"INIT1:IMM"
220 OUTPUT @Power;"INIT2:IMM"
230 ! ... and get the result
240 OUTPUT @Power;"FETC:POW:AC:RAT? 20DBM,2,(@1),(@2)"
250 ENTER @Power;Reading
260 !
270 PRINT "The measurement result is ";Reading;"dB."
280 END
For further information on channel offsets refer to page 9-35. For further
information on display offsets refer to page 3-7.
EPM-P Series Power Meters Programming Guide
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A – 10
⎛ ⎛ ⎞ ⎞
dBm
-------------------------- -
– 20
⎝ ⎝ ⎠ ⎠
B – 10
dBm dB
Power Meter Remote Operation
Setting Offsets
1-63