Non-inverting Op Amp Differentiator circuit

[masa_2010]

Hi all,

I have a dc signal that contains a sawtooth-shaped ripple. I need to design a differentiator circuit that differentiate the sawtooth ripple and produce a square-wave signal. I tried using the conventional inverting op amp differentiator circuit but my circuit has not negative supply voltage. So the differentiator output is not correct.

I need a circuit that perform a non-inverting differentiation task using only positive power supply rail and produce a square-wave output have either positive value or 0V.

Any help ?

 

[rjkrocks]

Hi Masa,

I tried using the conventional inverting op amp differentiator circuit

can you post the schematics of the circuit you used?

So the differentiator output is not correct.

What output you expecting and what you got?(A rough diagram is very suitable for correct solution)
Hoping the reply soon

 

[dick_freebird]

So you want to level-shift the input with an inverting summing
stage, and then differentiate for a net non-inversion, I expect.