Analog Electronics The Barkhausen criterion for an oscillator 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 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 ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When Semiconductor materials is heated its resistance decreases increases remains constant None of these decreases increases remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The base - emitter voltage is usually more than the base supply voltage. none of these. equal to the base supply voltage. less than the base supply voltage. more than the base supply voltage. none of these. equal to the base supply voltage. less than the base supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Thermal runaway is not possible in FET because as the temperature of FET increases The mobility decreases The transconductance increases None of these The drain current increases The mobility decreases The transconductance increases None of these The drain current increases ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The input stage of an op amp is usually a CE amplifier. swamped amplifier. class B push-pull amplifier. differential amp. CE amplifier. swamped amplifier. class B push-pull amplifier. differential amp. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Pinch-off voltage in a JFET is the drain voltage that gives infinite drain current. the drain voltage that gives zero drain current. the gate to source voltage that gives unity drain current. the gate to source voltage that gives zero drain current. the drain voltage that gives infinite drain current. the drain voltage that gives zero drain current. the gate to source voltage that gives unity drain current. the gate to source voltage that gives zero drain current. ANSWER DOWNLOAD EXAMIANS APP
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