# What is the meaning of operational amplifier?

19 views
What is the meaning of operational amplifier?

## Related questions

How does an operational amplifier work?

The effect of a finite gain of an operational amplifier used in an integrator is that (A) it would not integrate (B) the slope of the output will vary with time (C) the final value of the output voltage will reduce (D) there will be instability in the circuit

What is the use of operational amplifiers?

What is the advantage of differential amplifier?

What is the use of differential amplifier?

What is the power amplifier?

What do you mean by frequency response of an amplifier?

A differential amplifier has a differential gain of 28000 and CMRR is 60 dB. What will be the value of common mode gain? A) Ac = 0.125 B) Ac = 0.33 C) Ac = 3 D) Ac = 28

The unity gain bandwidth of an inverting amplifier is 10 MHz What would be the bandwidth if the gain is increased to 10 V/V? A) 100 MHz B) 1 MHz C) 10 MHz D) 1 kHz

What is the efficiency of Class-B amplifier?  A) 68.50% B) 78.50% C) 88.50% D) 98.50%

What type of biasing is used in CE amplifier?

What is a BJT amplifier?

What is stability in an amplifier?

Which one of the following is another name for common-collector amplifier?  A) Source follower B) Collector follower C) Base follower D) Emitter follower

An amplifier has input power of 2 microwatts. The power gain of the amplifier is 60 dB. The output power will be

A differential amplifier has a differential gain of 20,000, CMRR : 80 dB. The common mode gain is given by

An amplifier has a voltage gain of 120. To reduce distortion, 10% negative feedback is employed. The gain of the amplifier with feedback is  (1) 141 (2) 92.3 (3) 9.23 (4) 1.41

State the need of multistage amplifier. Draw frequency response of R-C coupled amplifier.

State the need of cascade amplifier and draw circuit diagram of 2-stage direct coupled amplifier.

List the advantages of RC coupled amplifier.

State the need of cascade amplifier.

The voltage gains of the amplifier with and without feedback are 20 and 100 respectively. The percentage of negative feedback would be

The voltage gain of a common -source JFET amplifier depends up on its  (1) Input impedance (2) Amplification factor (3) Dynamic drain resistance (4) Drain load resistance

The gain of an ideal amplifier must be

Define gain and bandwidth of an amplifier.

Draw diagram of class A push-pull amplifier and explain its operation.

Draw the single stage RC coupled amplifier circuit and explain its’s operation.

What is the importance of negative feedback in the operational amplifier? (A) It maintains the gain (B) The voltage difference between the input terminals is maintained at a very small value (C) The voltage difference between the input terminals is maintained at a constant value (D) The voltage difference between the input terminals is maintained at a very high value

Compare RC coupled, transformer coupled and direct coupled amplifier based on four points.

How can BJT be used as an amplifier?

How does negative feedback reduces distortion in an amplifier?

What is operational amplifier?

The type number CA3741 operational amplifier(op-amp) is manufactured by  A) RCA B) Texas instruments C) Signetics D) Motorola

An operational amplifier has an open loop gain of 200,000. Its output exhibits saturation at 10V. The threshold differential voltage of the amplifier is  A) 25 micro-volt B) 50 micro-volt C) 5 Volts D) 10 volts

The ideal operational amplifier does not have: (1) Infinite input resistance (2) Infinite output resistance (3) Infinite voltage gain (4) Infinite bandwidth

In the ideal closed loop operational amplifier, the gain depends on (A) value of the series component (B) value of the feedback component (C) on the operational amplifier itself (D) both A and B

What is the meaning of Arduino?

What is the meaning of LTI system?

What is the meaning of electrical materials?

What is the meaning of reference node?

What is the meaning of Electronics and Communication Engineering?

What is the meaning of DFT?