全英版笔试题目VIP专享

全英版笔试题目（汽车零件生产商）全英版笔试题目（汽车零件生产商） 德尔福集团是全球最大的汽车系统和零部件生产制造商, 1、Name 3 Vehicle Buses.2、Name 2 possible sources of Electromagnetic interference on Electronics Circuit ASM.3、Wavelength for 12MHz frequency signal is____4、Name 2 important considerations for car radio performance related to audio signal processing under multipath condition?5、What is the typical FM receiver RF signal strength to achieve 30dB S/N for car radio?6、When a radio is tuned to 98.1 MHz with a LO of 108.8 MHz, what is the image frequency?7、For a system with a matched impedance, what is the Reflection Coefficient and SWR?8、Which property of the output capacitor is the primary cause of Low Drop Out (LDO) regulator loop instability?a) Equivalent series resistance(ESR)b) Effective series inductance(ESL)c) Capacitance valued) Dielectric material9、The switching regulator is capable of:a) Higher power conversion efficiencyb) Providing an output voltage that is higher than the inputc) Generating an output boltage oppsite in polarity to the inputd) All of the above10、A linear regulator op*(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，The regulator is available in 3 packages.Each package has the following thermal characteristics:Package Rja(摄食度/W) Rjc(摄食度/W)TO220 50 35SO14 125 30D1P8 100 52Choose the most suitable package to handle the power dissipation requirement without a heat sink and why.