Q. Which of the following circuit can operate class AB for audio power output?

View solution

Q. Ebers Moll model is applicable to

View solution

Q. A FET

View solution

Q. For oscillations to starts, the loop gain A β of the oscillator must be initially

View solution

Q. Pick the Odd one out

View solution

Q. An op-amp is fed from a signal source through resistance R1. If it is to work as sign changer, the feedback resistance Rf should be

View solution

Q. A multivibrator can be used as a

View solution

Q. A multivibrator generates

View solution

Q. The derating factor, for ambient temperature higher than specified, for a transistor is about

View solution

Q. Efficiency of a half wave diode rectifier is less than 40%.

View solution

Q. Generally op amp is used in

View solution

Q. The equivalent circuit of an op-amp has

View solution

Q. In a transistor with normal bias

View solution

Q. A transistor has

1. collector
2. emitter
3. base

In a N-P-N transistor the electron flow into the transistor at

View solution

Q. A three terminal monolithic IC regulator can be used as

View solution

Q. Which of the following is not the main characteristic of a FET?

View solution

Q. The basic amplifier in Weinbridge oscillator consists of

View solution

Q. To obtain very high I/P and O/P impedances in a feedback amplifier, the topology used is

View solution

Q. The gate-source voltage that reduces the drain current to approximately zero is called

View solution

Q. In a half wave voltage doubler circuit the input frequency is 50 Hz. The ripple frequency is

View solution