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Differentiator Required Urgently

Question asked by abdulla_so on Mar 7, 2005
Latest reply on Mar 8, 2005 by abdulla_so

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Hi,

I want to use the Variable Equation command to differentiat a voltage at point in time domain. Please let me know how to do that as soon as possible.

Yours
Sohaib

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wrivas Mar 7, 2005 6:33 AM
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Here is an approach you can try:

Created an s variable (s=j*2*pi*freq) using in a VAr block. Place a VCVS (voltage controlled voltage source) on the schematic and make the gain equal to s(G=s on the VCVS, leave other values at default). Connect the input side to the voltage you wish to differentiate. The output of the VCVS will be the differentiator output.
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abdulla_so Mar 8, 2005 5:51 AM
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Thanks for the reply, but still I cannt see the differentiation happening. I also tried to use the Differentiator Component in the Switch and Algorithmic section, but I doesnt work either. I also use an RC differentiator circuit, which doesnt work either. I have tried so many ways of trying to get the differentiation, but I dont know why its not working.

Please could any one help me.

Yours
Sohaib
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Differentiator Required Urgently

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