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 A Semiconductor has a Constant Temperature coefficient of resistance None of these Negative Temperature coefficient of resistance Positive Temperature coefficient of resistance Constant Temperature coefficient of resistance None of these Negative Temperature coefficient of resistance Positive Temperature coefficient of resistance ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics A 741 C has an output impedance of 75 Ω. All of these a voltage gain of 100,000. an input impedance of 2 MΩ. an output impedance of 75 Ω. All of these a voltage gain of 100,000. an input impedance of 2 MΩ. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What is the input impedance of a common-gate configured JFET? High. Low. Very high. Very low. High. Low. Very high. Very low. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The expression for frequency of oscillations of a RC phase shift oscillator is None of these f = 1 / (2π√RC) f = 1 / (2π RC√6) f = 1 / (2π√R(C1 + C2)) None of these f = 1 / (2π√RC) f = 1 / (2π RC√6) f = 1 / (2π√R(C1 + C2)) ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The emitter of the transistor is generally doped the heaviest because it is the first region of transistor. has to dissipate maximum power. has to supply the charge carriers. must possess low resistance. is the first region of transistor. has to dissipate maximum power. has to supply the charge carriers. must possess low resistance. ANSWER DOWNLOAD EXAMIANS APP
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