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DELPHI的筆試題!

時間:2024-08-22 05:33:26 綜合指導(dǎo) 我要投稿
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DELPHI的筆試題!

  德爾福集團是全球最大的汽車系統(tǒng)和零部件生產(chǎn)制造商,為客戶提供品種齊全的汽車

DELPHI的筆試題!

  系統(tǒng),零部件和模塊。今天成電的就業(yè)辦老師介紹說,德爾福是汽車界的華為,從來不在

  媒體上打廣告。

  大家看看從美國空運過來的筆試題目

  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*(沒抄清楚)

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

  Theregulatorisavailablein3packages.Eachpackagehasthefollowingther

  malcharacteristics:

  PackageRja(攝食度/W)Rjc(攝食度/W)

  TO2205035

  SO1412530

  D1P810052

  Choosethemostsuitablepackagetohandlethepowerdissipationrequireme

  ntwithoutaheatsinkandwhy.


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