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R-C circuit differentiator

P

Patrick Chung

Jan 1, 1970
0
H

Helmut Wabnig

Jan 1, 1970
0
R-C circuit differentiator is classic with passive components that can differentiate voltage signal. For step input R-C circuit differentiator makes spikes on the output, so it differentiate step input signal better then the op-amp differentiator circuit. Now, there is a new tutorial


http://www.cirvirlab.com/index.php/electric/103-r-c-circuit-differentiator.html


and online simulation


http://www.cirvirlab.com/simulation/r-c_circuit_differentiator_online.php


In your simulation the peak of Vout is always at 100% of the input
voltage.
This is not what you will find in real circuits.
The signal source must have an Ri.

w.
 
A

amdx

Jan 1, 1970
0
In your simulation the peak of Vout is always at 100% of the input
voltage.
This is not what you will find in real circuits.
The signal source must have an Ri.

w.
I didn't see that, I dropped the frequency to 1 khz and the output
peak was about 1/2 the input.
Mikek
 
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