Q. Which of the amplifier circuits using junction transistors has the best gain?

View solution

Q. To obtain very high input and O/P impedance in a feedback amplifier, the type of feedback utilized

View solution

Q. The thermal resistance of a BJT is about

View solution

Q. Oscillator with best frequency stability is

View solution

Q. The IF amplifier in a superheterodyne receiver is

View solution

Q. The approximate value of input impedance of CE amplifier with emitter resistance RE is given by

View solution

Q. The advantage of using crystal oscillator is that it

View solution

Q. A transistor will operate in inverted region when

View solution

Q. Cross-over distortion behaviour is a characteristic of

View solution

Q. The noise figure is

View solution

Q. A Darlington pair is used for

View solution

Q. In a shunt-shunt negative feedback amplifier, as compared to the basic amplifier

View solution

Q. In rectifiers the use of RC filters is recommended when

View solution

Q. The coupling capacitor mainly affects

View solution

Q. A CE amplifier is the most common BJT amplifier.

View solution

Q. The main drawback in the performance of shunt peaked wide band amplifier is

View solution

Q. A generator with an internal resistance of 600 Ω drives an amplifier whose input resistance is 400 Ω. The generator's open circuit voltages is 1 mV; the amplifier develops 100mV across an 8kΩ load. The current amplification is

View solution

Q. In a CE amplifier circuit

View solution

Q. In a push pull circuit the two transistors are

View solution

Q. In a resistance loaded amplifier, the gain decreases at high frequencies because

View solution