我懂得了勞動的快樂作文

我懂得了勞動的快樂作文

　　1、Wavelength for 12MHz frequency signal is____

　　2、Name 2 important considerations for car radio performance related to audio　signal processing under multipath condition?

　　3、Name 3 Vehicle Buses.

　　4、Name 2 possible sources of Electromagnetic interference on Electronics Circuit ASM.

　　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、A linear regulator op*(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，The regulator is available in 3 packages.Each package has the following thermal characteristics:

　　Package Rja(攝食度/W) Rjc(攝食度/W)

　　TO220 50 35

　　SO14 125 30

　　D1P8 100 52

　　Choose the most suitable package to handle the power dissipation requirement without a heat sink and why.

　　9、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

　　10、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

【我懂得了勞動的快樂作文】相關文章：

生活讓我懂得了快樂作文07-11

我勞動我快樂作文勞動的快樂作文03-30

我懂得了快樂作文（精選23篇）11-14

我勞動我快樂的作文10-22

我勞動我快樂作文【經典】09-01

【精選】我勞動，我快樂作文10-16

我勞動我快樂作文01-19

我勞動，我快樂作文03-27

我勞動我快樂作文[精選]07-07

[經典]我勞動我快樂作文06-27