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The method for finding the I/O resistance of 741 opamp

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installer2001

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hello genius guys
plz plz help me
i need ur urgent help

well plz tell me the method of finding out O/P resistance & I/p resistance of 741 op amp
i am attaching the photos
i am having my exams after 3 days so plz help me
plz tell me any pdf from where i can study and secure good marks
First see photo named UNTITLED then KAM then KAM1 then KAM2 then KAM3
plz help me
 

help 4 life

this is an e-book on Opamps

http://www.elektrotekno.com/about10560.html

check through it should help, if you also have the art of electronics the calculations are treated there too.

All the best in your exam. Contact me if you need any other help. the formulas to use are straight foward, you really need not panick.

Cheers
 
help 4 life

you could get the solution from the book
Integrated electronics by jacob millman, christos c. halkias
 

Re: help 4 life

Just read sedra smith, it is a very good book.
 

help 4 life

Hey,
A very simple way is to stuck the small signal model of BJT, and write some KVL and KCL to get Rin or Rout..

The idea of analysis is to remove all independent sources, put a voltage source with voltage Vx at the node from which you want to see the resistance, try to find Vx/Ix (Ix is the current supplied from or to the source you put) which is the required resistance,

I hope that helps you,
Good luck
Ahmad,
 

Re: help 4 life

you can find your problem in this book :The_Circuit_Designers_Companion. It 's good .
 

Re: help 4 life

Can't simulate it by PSPICE ?
 

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