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Help me simulate an oscillator in OrCAD

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mtkee2003

mtkee2003

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hi

i want to simulate this oscillator in OrCAD. but it doesn't oscillate. also, i added some INITIAL CONDITION to its file but it doesn't work too.

what is the problem?

regards, Mostafa, Iran
 

Re: oscillator in OrCAD

Go to the control area which shows the simulation tolerances. Make all of them several orders of magnitude tighter.
 
oscillator in OrCAD

hi flatulent
thank you
where is "control area"?

regards
 

Re: oscillator in OrCAD

I use a very old version of orcad that uses ascii text input and so use the .options command.

If you use a newer version look in the help menu for words like reltol and abstol. These are relative tolerance and absolute tolerance.
 

    mtkee2003

    mtkee2003

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oscillator in OrCAD

hi
i can't simulate this circuit on OrCAD but it simulated in Proteus.

it is mortification for OrCAD!

regards
 

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