DELPHI的笔试题!

时间:2024-08-22 05:33:26 综合指导

DELPHI的笔试题!

  德尔福集团是全球最大的汽车系统和零部件生产制造商,为客户提供品种齐全的汽车

DELPHI的笔试题!

  系统,零部件和模块。今天成电的就业办老师介绍说,德尔福是汽车界的华为,从来不在

  媒体上打广告。

  大家看看从美国空运过来的笔试题目

  1、Name3VehicleBuses.

  2、Name2possiblesourcesofElectromagneticinterferenceonElectronicsCirc

  uitASM.

  3、Wavelengthfor12MHzfrequencysignalis____

  4、Name2importantconsiderationsforcarradioperformancerelatedtoaudio

  signalprocessingundermultipathcondition?

  5、WhatisthetypicalFMreceiverRFsignalstrengthtoachieve30dBS/Nfor

  carradio?

  6、Whenaradioistunedto98.1MHz&withaLOof108.8MHz,whatistheima

  gefrequency?

  7、Forasystemwithamatchedimpedance,whatistheReflectionCoefficienta

  ndSWR?

  8、WhichpropertyoftheoutputcapacitoristheprimarycauseofLowDropOut

  (LDO)regulatorloopinstability?

  a)Equivalentseriesresistance(ESR)

  b)Effectiveseriesinductance(ESL)

  c)Capacitancevalue

  d)Dielectricmaterial

  9、Theswitchingregulatoriscapableof:

  a)Higherpowerconversionefficiency

  b)Providinganoutputvoltagethatishigherthantheinput

  c)Generatinganoutputboltageoppsiteinpolaritytotheinput

  d)Alloftheabove

  10、Alinearregulatorop*(没抄清楚)

  Vin(max)=10v,Vout(min)=4.8v,Iout(max)=2.5mA,Iq(max)=2.5mA,Ta(max)=8.5摄氏度,

  Theregulatorisavailablein3packages.Eachpackagehasthefollowingther

  malcharacteristics:

  PackageRja(摄食度/W)Rjc(摄食度/W)

  TO2205035

  SO1412530

  D1P810052

  Choosethemostsuitablepackagetohandlethepowerdissipationrequireme

  ntwithoutaheatsinkandwhy.


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