4. Op-Amp has(a)Single(b) Similar(c)Multiple(d)Differential5. Write the formula for closed-loop voltage gain of inverting amplifier with feedback using ofvoltage gain and gain of the feedback circuit.(a)AF= A/(1+AB)(b)AF= -A/(1+AB)(c)AF=-B/(1+AB) (d)None of the m6. Voltage shunt feedback amplifiers are also called as(a)Non-inverting amplifier with feedback(c)Inverting amplifier with feedback(b)Non-inverting amplifier without(d)Inverting amplifier without feedoutputs.

(4) Answer is (a) Single An operational amplifier is an integrated circuit that can amplify weak…

4. Op-Amp has (a)Single (b) Similar (c)Multiple (d)Differential 5. Write the formula for closed-loop voltage gain of inverting amplifier with feedback using o voltage gain and gain of the feedback circuit. (a)AF= A/(1+AB) (b)AF= -A/(1+AB) (c)AF=-B/(1+AB) (d)None of the r 6. Voltage shunt feedback amplifiers are also called as (a)Non-inverting amplifier with feedback (c)Inverting amplifier with feedback (b)Non-inverting amplifier without (d) Inverting amplifier without feed outputs.

4. Op-Amp has (a)Single (b) Similar (c)Multiple (d)Differential 5. Write the formula for closed-loop voltage gain of inverting amplifier with feedback using o voltage gain and gain of the feedback circuit. (a)AF= A/(1+AB) (b)AF= -A/(1+AB) (c)AF=-B/(1+AB) (d)None of the r 6. Voltage shunt feedback amplifiers are also called as (a)Non-inverting amplifier with feedback (c)Inverting amplifier with feedback (b)Non-inverting amplifier without (d) Inverting amplifier without feed outputs.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Similar questions

One advantage of having feedback in op amp circuit is A.Can control gain B.less complicated C.less input signal D.low gain E.high output voltage F.low bandwidth
2. b) (i) Derive an expression for the differentiator using op-amp. (ii) Design a circuit to perform differentiation of an input signal that varies in frequency from 20HZ to about 2 KHz. (iii) If a sine wave of 0.5 V peak at 2 KHz is applied to the differentiator of part (ii), draw the output waveform.
(a) Identify the correct answers 1. Virtual ground of an OP-AMP (a) Is formed only with negative feedback (b) Is always an AC ground, may occasionally be a DC ground (for PMOS) (c) Is coined as a terminology where the input signal splits equally between the terminals (d) Leads to the concept of almost zero difference between the two inputs (both DC and AC) using feedback 2. In an OP-AMP based circuit (a) Phase margin of the closed loop transfer function is a measure of stable operation (b) 45° is a desirable phase margin as it balances the frequency domain stability and the time domain settling optimally (c) Absolute open loop gain numbers are not that important, as long as they are large (d) 45° is only achieved when the RHP zero is placed on one of the poles 3. In a differential amplifier biased with a given tail current I, to increase the overdrive voltage by 2X without changing input capacitive loading, we should (a) Increase W by 2X and reduce L by 2X (b) Reduce W by 2X and…
Given the four statements, which of the following statements are not true about the operation of an op-amp? i. Op-amp's close loop operation employs negative feedback that takes portion of the output and applies it back out of phase with the input. 1i. In an op-amp, amplification of the common input signals is much less than that of the opposite input signals. iii. In open-loop operation, the output of the op-amp is driven to saturation with Vo- +Vsat. iv. Op-amp's close loop operation employs positive feedback that takes portion of the output and applies it back out of phase with the input. O i, iii, iv O i, iv O i i, ii O i, iv
The open loop gain of an op-amp is 92 dB. Given that the open loop corner frequency is 100 Hz, what is the unity gain bandwidth of the op-amp?
(A) Draw and clearly label the circuit diagram of an op-amp configured as a practical inverting differentiator circuit. (B) For the op-amp in part (A), explain how the DC-offset volatge is reduced at the output? (C) Calculate the feedback resistance Rf and the input reistance R, in a practical diffrentiator if fo =1 kHz and a high-frequency gain of 15 is required. Choose a capacitor of 1µF.
3. Inverting Amplifier is a normal OP-Amp in which the output is given as feedback with a feedback resistor. i. Draw a circuit diagram for the inverting amplifier. Derived the expression for the closed loop gain for the inverting amplifier. iii. In an inverting amplifier input resistance (R1) =2.2 k2 and feedback resistance 220kN. Calculate the closed loop gain for the inverting amplifier.
Q. One advantage of having feedback in op amp circuit is A. low gain B. low bandwidth C. can control gain D. high output voltage E. less input signal F. less complicated
An inverting amplifier has closed-loop voltage gain of 100. The op-amp has an open-loop voltage gain of 100000. If a different op-amp with open-loop gain of 200000 is substituted in the configuration, the closed-loop gain increases/decreases and why?
a) What is an Op-Amp, and how is it used? b) What is the equivalent circuit model for an op-amp? c) What is negative feedback, and why is it used in Op Amp Circuits?
For the op-amp shown in the following figure, the unity-gain bandwidth has the value of 20.5 KHz. The amplifier bandwidth is equal to
Op-Amps with no feedback has a gain of ? a. 5 b. zero c. infinite d. 10