Analog Electronics The current gain of a bipolar transistor drops at high frequencies because of Transistor capacitances Parasitic inductive elements The early effect High current effects in the base Transistor capacitances Parasitic inductive elements The early effect High current effects in the base ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In CB configuration, the output V-I characteristics of a transistor are drawn by taking VCB versus IB for constant IE. VCB versus IC for constant IE. VCB versus IB for constant IE. VCE versus IC for constant IE. VCB versus IB for constant IE. VCB versus IC for constant IE. VCB versus IB for constant IE. VCE versus IC for constant IE. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Three identical amplifiers with each one having a voltage gain of 50,input resistance of 1KΩ & output resistance of 250, are cascaded. The open circuit voltage gain of combined amplifier is 49dB 102dB 51dB 98dB 49dB 102dB 51dB 98dB ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics One of the following is the primary function of an oscillator generates sustained oscillations at a constant amplitude and specific frequency produces sinusoidal oscillations None of these generates non sinusoidal waveforms generates sustained oscillations at a constant amplitude and specific frequency produces sinusoidal oscillations None of these generates non sinusoidal waveforms ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The feedback factor of a Wien bridge oscillator using Op-Amp is 1/2 1/3 1 1/4 1/2 1/3 1 1/4 ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The Barkhausen criterion for an oscillator Loop gain should be less than unity The phase of a feedback signal with respect to input should be 0° or 360° Both A and C Loop gain should be unity Loop gain should be less than unity The phase of a feedback signal with respect to input should be 0° or 360° Both A and C Loop gain should be unity ANSWER DOWNLOAD EXAMIANS APP
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