Q. IF amplifiers for radio receivers are often tuned to

View solution

Q. In high frequency region, an amplifier behaves like a

View solution

Q. Class C operation finds application in

View solution

Q. In a CE amplifier circuit the load resistance is open circuited. The output voltage will

View solution

Q. Emitter follower is in which of following configuration.

View solution

Q. Which of the following components is essential for a voltage multiplier circuit?

View solution

Q. The transistor specification number 2N refers to

View solution

Q. Stability factor for S is given by for a fixed bias

View solution

Q. In a practical oscillator, the magnitude of loop gain Aβ is kept slightly larger than unity and the amplitude of oscillations is limited by

View solution

Q. Assertion (A): Direct coupled amplifiers are rarely used

Reason (R): Direct coupled amplifiers suffer from the disadvantage of drift

View solution

Q. In a feedback series regular circuit, the output voltage is regulated by controlling the

View solution

Q. The transformer cores operating at microwave frequency ranges are generally made up of

View solution

Q. Saturation region of a JFET is also known as

View solution

Q. Which junction transistor is preferred for high input and low output impedances?

View solution

Q. For operation of enhancement only N-channel MOSFET, value of gate voltage has to be

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 voltage multiplication is

View solution

Q. The linear transistor circuits always operate in the

View solution

Q. In the graphical analysis of CE amplifier circuit, the intersection of base current and dc load line is called

View solution

Q. In an amplifier circuit the emitter is at ac ground potential in a

View solution

Q. An ideal op-amp has

View solution