Agilent Technologies 4294A Service Manual download pdf (Page 105)

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101

Chapter 7 105

Processing Measurement Results

Analyzing Measurement Results

1. Chapter Title

7. Processing 3. Chapter Title

4. Chapter Title

5. Chapter Title

Measurement Results

Lines 230 to 240 Turns ON the marker function, searches for a peak, and moves the

marker to the peak.

Lines 250 to 260 Specifies the measurement parameter at the cut-off point to of

that obtained at the marker position and then turns ON the bandwidth

search function.

Lines 270 to 280 Reads the analysis results and substitutes the obtained values into the

corresponding variables B_wid, B_cent, B_q, Peak, Delta_l, and

Delta_r.

Lines 310 to 370 Displays analysis results if the content of B_wid is not 0.

Line 390 Displays a message to inform you that no cutoff point has been found

if the content of B_wid is 0.

Example 7-3 Trace bandwidth analysis

10 DIM Act_trc$[9],Buff$[9]

20 REAL Cent,Span,B_wid,B_cent,B_q,Peak,Delta_l,Delta_r

30 IF SYSTEM$("SYSTEM ID")="HP4294A" THEN

40 ASSIGN @Hp4294a TO 800

50 ELSE

60 ASSIGN @Hp4294a TO 717

70 END IF

80 !

90 Cent=6.0E+7

100 Span=2.0E+4

110 Act_trc$="A"

120 !

130 OUTPUT @Hp4294a;"PRES"

140 OUTPUT @Hp4294a;"MEAS IMPH"

150 OUTPUT @Hp4294a;"CENT ";Cent

160 OUTPUT @Hp4294a;"SPAN ";Span

170 OUTPUT @Hp4294a;"SING"

180 OUTPUT @Hp4294a;"*OPC?"

190 ENTER @Hp4294a;Buff$

200 !

210 OUTPUT @Hp4294a;"TRAC "&Act_trc$

220 OUTPUT @Hp4294a;"AUTO"

230 OUTPUT @Hp4294a;"MKR ON"

240 OUTPUT @Hp4294a;"SEAM PEAK"

250 OUTPUT @Hp4294a;"WIDVTYPE DIVS2"

260 OUTPUT @Hp4294a;"WIDT ON"

270 OUTPUT @Hp4294a;"OUTPMWID?"

280 ENTER @Hp4294a;B_wid,B_cent,B_q,Peak,Delta_l,Delta_r

290 !

300 IF B_wid<>0. THEN

310 PRINT " --- Result ---"

320 PRINT "Width :";B_wid;"[Hz]"

330 PRINT "Center :";B_cent;"[Hz]"

340 PRINT "Q :";B_q

350 PRINT "Peak :";Peak;"[ohm]"

360 PRINT "Delta Left :";Delta_l;"[Hz]"

370 PRINT "Delta Right :";Delta_r;"[Hz]"

380 ELSE

390 PRINT "Cutoff point NOT found!"

400 END IF

410 END

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