Step response simulation....

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electronZ

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Hi folks

I cant get this circuit to work.. I want to see a step, but all I see is constant voltage (10V)..

What am I doing wrong? :/
 

Two errors:
* The control input voltage should be a pulse from zero to at least Von=1V
* The switch closes when Von=1 volt (or above), but in your case it connects the circuit to ground.
 

LvW said:
Two errors:
* The control input voltage should be a pulse from zero to at least Von=1V
* The switch closes when Von=1 volt (or above), but in your case it connects the circuit to ground.
Click to expand...

Can you give mig a drawing I can llok at.. thank u
 

See the attached pdf file.

Oh - I am afraid the pdf is corrupted. I'll try png.
 
@electronZ

As suggested by LvW, if you a r using the voltage controlled switch (S) then make sure you have a voltage source in the circuit once the switch closes. What ever voltage you decide to use on the left hand side of switch (control mechanism) has no effect on the right hand side of the circuit. That voltage (V1 in your case) is just controlling the ON/OFF state of the switch and has nothing to do with charging of capacitor.

Follow the circuit given by LvW and it should work!
-Hemanshu
 
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