Agilent Technologies 4294A, Programming Manual

Page: 99 / 518

Chapter 7 99
Processing Measurement Results
Reading Measurement Data at Specific Measurement Points (Using the
Marker Function)
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for the peak and moves the marker to that negative peak, and positions
submarker 2 at the peak.
Lines 360 to 430 Reads and displays submarker-specified measurement parameter
values.
Example 7-1 Searching for Peaks Using the Marker
10 DIM Sear_min$[9],Sear_max$[9],Act_trc$[9],Buff$[9]
20 REAL P_peak,N_peak
30 IF SYSTEM$("SYSTEM ID")="HP4294A" THEN
40 ASSIGN @Hp4294a TO 800
50 ELSE
60 ASSIGN @Hp4294a TO 717
70 END IF
80 !
90 Sear_min$="10MHZ"
100 Sear_max$="100MHZ"
110 Act_trc$="A"
120 !
130 OUTPUT @Hp4294a;"PRES"
140 OUTPUT @Hp4294a;"SING"
150 OUTPUT @Hp4294a;"*OPC?"
160 ENTER @Hp4294a;Buff$
170 !
180 OUTPUT @Hp4294a;"TRAC "&Act_trc$
190 OUTPUT @Hp4294a;"AUTO"
200 !
210 OUTPUT @Hp4294a;"MKR ON"
220 OUTPUT @Hp4294a;"PARS ON"
230 OUTPUT @Hp4294a;"SEARMIN "&Sear_min$
240 OUTPUT @Hp4294a;"SEARMAX "&Sear_max$
250 !
260 OUTPUT @Hp4294a;"PKDLTX 1MHZ"
270 OUTPUT @Hp4294a;"PKDLTY 0.1"
280 OUTPUT @Hp4294a;"PKPOL POS"
290 OUTPUT @Hp4294a;"SEAM PEAK"
300 OUTPUT @Hp4294a;"SMKR1 ON"
310 !
320 OUTPUT @Hp4294a;"PKPOL NEG"
330 OUTPUT @Hp4294a;"SEAM PEAK"
340 OUTPUT @Hp4294a;"SMKR2 ON"
350 !
360 OUTPUT @Hp4294a;"SMKRVAL1?"
370 ENTER @Hp4294a;P_peak
380 OUTPUT @Hp4294a;"SMKRVAL2?"
390 ENTER @Hp4294a;N_peak
400 !
410 PRINT "Search Range: "&Sear_min$&" - "&Sear_max$
420 PRINT "Positive Peak: ";P_peak;"[ohm]"
430 PRINT "Negative Peak: ";N_peak;"[ohm]"
440 END