當前位置:學問君>學習教育>考研>

德爾福英文筆試題

學問君 人氣:1.86W

1、Name 3 Vehicle Buses.

德爾福英文筆試題

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 value

d) Dielectric material

9、The switching regulator is capable of:

a) Higher power conversion efficiency

b) Providing an output voltage that is higher than the input

c) Generating an output boltage oppsite in polarity to the input

d) All of the above