Analog Electronics The Barkhausen criterion for an oscillator The phase of a feedback signal with respect to input should be 0° or 360° Loop gain should be less than unity Loop gain should be unity Both A and C The phase of a feedback signal with respect to input should be 0° or 360° Loop gain should be less than unity Loop gain should be unity Both A and C ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics A transistor has how many PN junctions? 3. 4. 2. 1. 3. 4. 2. 1. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics An opamp has a voltage gain of 200,000. If the output voltage is 1 V, the input voltage is 2 micro V. 10 V. 5 5 micro V. 1 V. 2 micro V. 10 V. 5 5 micro V. 1 V. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Thermal runaway is not possible in FET because as the temperature of FET increases None of these The mobility decreases The drain current increases The transconductance increases None of these The mobility decreases The drain current increases The transconductance increases ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Relaxation Voltage controlled oscillators are used to generate Sinusoidal wave Both B and C Sawtooth wave Triangular wave Sinusoidal wave Both B and C Sawtooth wave Triangular wave ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The depletion region of a pn junction is one, that is depleted of immobile charges. velocity of the carriers. atoms. mobiles charges. immobile charges. velocity of the carriers. atoms. mobiles charges. ANSWER DOWNLOAD EXAMIANS APP
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