Agilent-technologies 75000 Series C Manual do Utilizador descarregar pdf (Página 31)

Functional Verification

Example Program (cont’d)

1340 PRINT "Verify that no signal appears on the scope."

1350 PRINT "Press ’Continue’ to send a START ARM."

1360 PRINT

1370 Wait_for_cont

1380 !

1390 !Set ’TRIG OUT’ to 5V

1400 OUTPUT @Cmd_mod;"OUTP:EXT:LEV 0"

1410 !

1420 PRINT "Verify that the scope shows a 1 MHz sinewave."

1430 Wait_for_cont

1440 SUBEND

1450 !

1460 SUB Gate_in

1470 COM @Afg,@Cmd_mod,INTEGER Done

1480 !

1490 Reset_afg

1500 !

1510 CLEAR SCREEN

1520 PRINT "GATE IN TEST"

1530 PRINT

1540 !

1550 !Test connections

1560 PRINT "Connect Scope to the E1445A Output."

1570 PRINT "Connect Command Module ’Trig Out’ to ’Stop Trig/FSK/Gate In’ on the E1445A."

1580 PRINT

1590 Wait_for_cont

1600 !

1610 !Perform test

1620 OUTPUT @Afg;"TRIG:GATE:SOUR EXT;"; !Gate source is EXT

1630 OUTPUT @Afg;":TRIG:GATE:STAT ON;"; !Enable gate

1640 OUTPUT @Afg;":FREQ 1E6;"; !Set freq to 1 MHz

1650 OUTPUT @Afg;":VOLT 4VPP" !Set amplitude

1660 OUTPUT @Afg;"INIT:IMM" !Initiate

1670 !

1680 PRINT "Verify that the signal displayed on the scope toggles between"

1690 PRINT "a 1 MHz sinewave and a DC signal at 1 second intervals."

1700 !

1710 ON KBD ALL CALL Key_press

1720 DISP "Press any key to continue"

1730 !

1740 Done=0

1750 !Send pulses to ’TRIG OUT’ BNC until a key is pressed

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Agilent E1445A Service Manual Verification Tests 29

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