Analog Electronics The Barkhausen criterion for an oscillator 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 Loop gain should be unity The phase of a feedback signal with respect to input should be 0° or 360° ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics An npn BJT has gm=38mA/v, cµ =10¯14 F, cπ =10¯13F and DC current gain β0=90.For this transistor fT & fβ are fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics A U shaped, opposite-polarity material built near a JFET-channel center is called the drain. heat sink. block. gate. drain. heat sink. block. gate. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When the drain saturation electric current is less than IDSS a JFET acts like a battery. resistor. BJT. current source. battery. resistor. BJT. current source. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The trapped energy of an inductive load can be feed back to the input supply through a diode known as Powe diode. None of these. Zener diode. Feed back diode. Powe diode. None of these. Zener diode. Feed back diode. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The first step in analyzing emitter-based circuits is to find the base current. supply current. emitter current. collector current. base current. supply current. emitter current. collector current. ANSWER DOWNLOAD EXAMIANS APP
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