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Multisim Live - Grapher

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Hi,

 

 I'm trying to demonstrate gain using an amplifier and the Grapher in Multisim Live.

 

  My input signal is 10mV peak - my output is about 5V peak.

 

  I can only seem to set one Voltage scale in the grapher window, though - either my 5V signal goes way outside the screen, or my input signal appears as a flat line.

 

  Is there a way to set an appropriate Voltage scale for each probe being graphed?

 

Thanks for your help.

 

wt_higo_0-1590052429890.png

 

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Accepted by topic author wt_higo

Hello wt_higo,

 

Yes, unfortunately Multisim Live doesn't have that function yet.

I believe in near future it will be fixed.

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Oh well - thanks for letting know.

 

All the best

 

🙂

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Oops - that was confusing

 

...I was logged in as my student account rather than my teacher account 🙂

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Hi,

given the limitations of Multisim Online, what you could do to help you out is to plot an expression rather than the node voltage. This allows you introduce a gain or attenuation of the node voltage that is exact, you know is there and you can account for in the explanations. This will give you a second axis on the right and the possibility to adjust the waveforms indpendently much how you would do with the channels of a physical oscilloscope.

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Hi,

 

  this sounds really useful, but am I right in thinking I need the "full" version of Multisim Live to access it?

 

wt_higo_0-1590479713328.png

 

...I don't see the expression plotter in the Analysis and Annotation menu.

 

Thanks.

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You could be right, I only have a premium account for testing.

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That's a shame...unless my department can get a premium subscription by collecting crisp-packets, I think I'm stuck with the standard version...

 

Thanks anyway.

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