Analog Electronics The Barkhausen criterion for an oscillator Loop gain should be unity The phase of a feedback signal with respect to input should be 0° or 360° Loop gain should be less than unity Both A and C Loop gain should be unity The phase of a feedback signal with respect to input should be 0° or 360° Loop gain should be less than unity Both A and C ANSWER DOWNLOAD EXAMIANS APP
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 The leakage current in a pn junction is in order of µA None of these KA A µA None of these KA A ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The room temperature resistivity of pure silicon is 6 50 3000 300 6 50 3000 300 ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If a transistor operates at the middle of the load line, a decrease in the base resistance will move the Q point nowhere. up. off the load line. down. nowhere. up. off the load line. down. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which of the following does not obey the Ohm's law? Resistor None of these Semiconductor Bilateral device Resistor None of these Semiconductor Bilateral device ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS