Analog Electronics The Barkhausen criterion for an oscillator Loop gain should be less than unity Loop gain should be unity The phase of a feedback signal with respect to input should be 0° or 360° Both A and C Loop gain should be less than unity Loop gain should be unity The phase of a feedback signal with respect to input should be 0° or 360° Both A and C ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Conduction electrons have more mobility than holes because they need less energy to move them have negative charge are free None of these need less energy to move them have negative charge are free None of these ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics One of the following is the primary function of an oscillator generates non sinusoidal waveforms None of these generates sustained oscillations at a constant amplitude and specific frequency produces sinusoidal oscillations generates non sinusoidal waveforms None of these generates sustained oscillations at a constant amplitude and specific frequency produces sinusoidal oscillations ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When the base resistor increases, the collector voltage will probably decrease. increase. stay the same. All of these decrease. increase. stay the same. All of these ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The emitter of the transistor is generally doped the heaviest because it is the first region of transistor. must possess low resistance. has to dissipate maximum power. has to supply the charge carriers. is the first region of transistor. must possess low resistance. has to dissipate maximum power. has to supply the charge carriers. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The transition capacitance of a reverse biased pn junction having uniform doping on both sides, varies with junction voltage ( VB ) as VB. ( VB )- 1 / 2. ( VB )2. 1 / VB. VB. ( VB )- 1 / 2. ( VB )2. 1 / VB. ANSWER DOWNLOAD EXAMIANS APP
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