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i can not chang x-axis variable in cadence ic510

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shivaamordad

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hi

it seems that this topic was mentioned before, but there is no answer,
i just want to change my x-axis from vgs to vgs-vth,

1- i sweep vgs
2-plot vgs-vth
3-click on x axis to change variable (change to vgs-vth)

to test that the axis is changed, plot vgs vs the new variable (vgs-vth)
it show something like y=x
which is wrong when we change the x axis variable
it means that the axis variable dose not change
changingxaxis.pngcircuit.pngScreenshot.pngsecendgraf.png


thanks
 

In your first image, clicking the black triangle: Plot_vs_window.png ... doesn't it show you this possibility?

If not, use the calculator to define your x-axis.
 

Try double-clicking on the X axis. You should get a "chooser"
popup that includes "vgs" (or whatever the swept value was)
and all of the plotted outputs that are presently in the window.
If you want an X-axis that isn't on this list you first have to
make/select the expression and plot, then choose.
 

hi
thanks for reply
actually i can change the x-axis, as i attached before, but it dos not work correctly,in other word
when i change the x axis, nothing happen, and no change to my plot
 
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    ahtf

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I kind of doubt that IC5.x has changed since I left it, so
I suggest you look a little more carefully at what you are
selecting, or maybe even open the waveform viewer
manual.

If you want the vgs-vth axis, you need to have that
expression created and plotted along with the rest. Only
then will it be provided to select.
 

shivaamordad said:
actually i can change the x-axis, as i attached before
Click to expand...
This is not recognizable from your before shown pictures, so I think, you did not - or not succeed to - change your x-axis.

shivaamordad said:
... but it dos not work correctly,in other word when i change the x axis, nothing happen, and no change to my plot
Click to expand...
It can't work, because you didn't succeed in.
 

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