e2ne01.gif (7678 bytes)

About Lifelong Learning - Contact Us - DonateFree-Ed.Net Home   Bookmark and Share

Basic Op-Amp Circuits

 Noninverting Amplifier

  Noninverting op-amp circuit

Given:

Rf = 8.2 kW
Av = 7

Find:

Ri

Hint:

Voltage gain of a noninvering op-amp circuit

Solution:

Ri = 1.3 kW


Notes & Instructions

Solve the op-amp problem on a separate sheet of paper. Click...

  • Hint to see a helpful equation.
  • Solution to see the answer(s)
  • Next to see the next problem in this series.
  • Quit to end this session.
Rf = value of the feedback resistance
Ri = value of the input resistance
Av = voltage gain
vi = ac voltage in
vo = ac voltage out
 

David L. Heiserman, Editor

Copyright   SweetHaven Publishing Services
All Rights Reserved

Revised: June 06, 2015