Agilent Technologies 4294A Programming Manual page 99

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Example 7-1 Searching for Peaks Using the Marker
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Chapter 7
Reading Measurement Data at Specific Measurement Points (Using the
for the peak and moves the marker to that negative peak, and positions
submarker 2 at the peak.
Reads and displays submarker-specified measurement parameter
values.
DIM Sear_min$[9],Sear_max$[9],Act_trc$[9],Buff$[9]
REAL P_peak,N_peak
IF SYSTEM$("SYSTEM ID")="HP4294A" THEN
ASSIGN @Hp4294a TO 800
ELSE
ASSIGN @Hp4294a TO 717
END IF
!
Sear_min$="10MHZ"
Sear_max$="100MHZ"
Act_trc$="A"
!
OUTPUT @Hp4294a;"PRES"
OUTPUT @Hp4294a;"SING"
OUTPUT @Hp4294a;"*OPC?"
ENTER @Hp4294a;Buff$
!
OUTPUT @Hp4294a;"TRAC "&Act_trc$
OUTPUT @Hp4294a;"AUTO"
!
OUTPUT @Hp4294a;"MKR ON"
OUTPUT @Hp4294a;"PARS ON"
OUTPUT @Hp4294a;"SEARMIN "&Sear_min$
OUTPUT @Hp4294a;"SEARMAX "&Sear_max$
!
OUTPUT @Hp4294a;"PKDLTX 1MHZ"
OUTPUT @Hp4294a;"PKDLTY 0.1"
OUTPUT @Hp4294a;"PKPOL POS"
OUTPUT @Hp4294a;"SEAM PEAK"
OUTPUT @Hp4294a;"SMKR1 ON"
!
OUTPUT @Hp4294a;"PKPOL NEG"
OUTPUT @Hp4294a;"SEAM PEAK"
OUTPUT @Hp4294a;"SMKR2 ON"
!
OUTPUT @Hp4294a;"SMKRVAL1?"
ENTER @Hp4294a;P_peak
OUTPUT @Hp4294a;"SMKRVAL2?"
ENTER @Hp4294a;N_peak
!
PRINT "Search Range: "&Sear_min$&" - "&Sear_max$
PRINT "Positive Peak: ";P_peak;"[ohm]"
PRINT "Negative Peak: ";N_peak;"[ohm]"
END
Processing Measurement Results
Marker Function)
99