Analog Electronics An npn BJT has gm=38mA/v, cµ =10¯14 F, cπ =10¯13F and DC current gain β0=90.For this transistor fT & fβ are fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The depletion region of a pn junction is one, that is depleted of mobiles charges. velocity of the carriers. immobile charges. atoms. mobiles charges. velocity of the carriers. immobile charges. atoms. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics For a diode, reverse recovery time is defined as the time between the instant diode current becomes zero and the instant reverse recovery current decays to 10% of reverse peak current. 0. 15% of reverse peak current. 25% of reverse peak current. 10% of reverse peak current. 0. 15% of reverse peak current. 25% of reverse peak current. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which process is used for adding impurity into a pure semiconductor material ? None of these Doping Insulating Conducting None of these Doping Insulating Conducting ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Class AB operation is often used in power large signal) amplifiers in order to Remove even harmonics Reducing collector dissipation Overcome a crossover distortion Get maximum efficiency Remove even harmonics Reducing collector dissipation Overcome a crossover distortion Get maximum efficiency ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Asource follower using an FET usually has a voltage gain which is Exactly unity but negative Slightly less than unity but positive About -10 Greater than +100 Exactly unity but negative Slightly less than unity but positive About -10 Greater than +100 ANSWER DOWNLOAD EXAMIANS APP