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DesignofanIntegratedOperationalAmplifierAutomaticTestingTeaching#br# AssistancePlatform BasedonVirtualInstrumentation#br#

  

  1. (HuafuFacultyofInstrumentation,LiaoningMechanicalandElectricalCollegeof
    Technology,Dandong118009,Liaoning,China)
  • Received:2023-12-22 Online:2024-08-08 Published:2025-07-08

Abstract: Abstract:Toreducetheimpactofequipmentfailureontheefficiencyofanalogelectronictechnologyex
perimentalteaching,anintegratedoperationalamplifierautomatictestingteachingassistanceplatformwas
designedbasedonvirtualinstrumenttechnology.Softwareandhardwareplatformsweredevelopedbased
onvirtualinstrumenttechnology,utilizingtheintegratedvirtualinstrumentexperimentalplatformNIEL
VISIIfordatatransmission.Atestcircuitboardwasdesigned,andinstrumentpanelsandplatformsoft
warewerecreatedusingLabVIEW software.Theplatformwastestedusingtheintegratedoperationalam
plifierμA714chip,anditseffectivenesswasverifiedintheactualteachingofanalogelectronictechnolo
gy.Thetestandactualusageresultsshowedthattheplatformcanaccuratelydetectfaultychipswithan
accuracyrateexceeding95%.Comparedtowhentheplatformwasnotused,theaccuracyrateofexperi
mentsconductedbyteachersandstudentsusingtheplatformincreasedbymorethan20%,andthetime
consumptiondecreasedbymorethan20%.

Key words: virtualinstrument, automatictesting, designpattern

CLC Number: