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 =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which types of device is the diode ? None of these Conductor Insulator Semiconductor None of these Conductor Insulator Semiconductor ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What will happen if doping of an intrinsic semiconductor with pentavalent impurity atom ? Fermi level fall None of these Fermi level not change Fermi level raises Fermi level fall None of these Fermi level not change Fermi level raises ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics For transistor action all of these. the base region must be very thin and lightly doped. the emitter should be heavily doped. Je must be forward biased and Jc should be reverse biased. all of these. the base region must be very thin and lightly doped. the emitter should be heavily doped. Je must be forward biased and Jc should be reverse biased. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What does MOS stand for? Metal - oxide semiconductor. Metal - oxide silicon. None of them. Metal - on silicon. Metal - oxide semiconductor. Metal - oxide silicon. None of them. Metal - on silicon. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In an OP-amp differentiator The amplitude of output is proportional to rate of change of input Output occurs when input is finite and constant Polarity of input and output is the same The amplitude of output is proportional to input The amplitude of output is proportional to rate of change of input Output occurs when input is finite and constant Polarity of input and output is the same The amplitude of output is proportional to input ANSWER DOWNLOAD EXAMIANS APP