A circuit is shown to the right. a. Is this an example of positive feedback or negative feedback? b. If the circuit is an amplifier, what is the gain and is it inverting or noninverting? If the circuit is a comparator calculate the threshold voltage. R2 5 ΚΩ mu R1 3 ΚΩ www + OA V_in sine 1 kHz +12V -12V V_out

A circuit is shown to the right. a. Is this an example of positive feedback or negative feedback? b. If the circuit is an amplifier, what is the gain and is it inverting or noninverting? If the circuit is a comparator calculate the threshold voltage. R2 5 ΚΩ mu R1 3 ΚΩ www + OA V_in sine 1 kHz +12V -12V V_out

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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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
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
1- Mention any two non linear applications of op- amp. 2- For the circuit given below : Vin is a sine wave Vinpp=9 V and Vref=2.4 V , Assume Vsat=±12V Name the circuit and draw the input and output waveforms . Vo Vin Vref 3- Explain why open-loop op-amp configurations are not used in linear applications? Draw the block diagram of opamp and define the function of each block
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Help me with the following multiple choices questions : 1.Current cannot flow to ground through ______ A.an ordinary ground B.a virtual ground C.a mechanical ground D.an a.c ground 2.For an OP-amp with negative feedback, the output is .... A. fed back to the noninverting input B. fed back to the inverting input C.equal to the input D.increased 3. A certain inverting amplifier has a closed loop voltage gain of 25. The OP-amp has an open-loop voltage gain of 100,000. If an OP-amp with an open-loop voltage gain of 200,000 is substituted in the arrangement, the closed-loop gain________ A. remains at 25 B. doubles C. increases slightly D. drops to 12.5