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Re: Current Dependent Voltage Source


 

What if I want to input a table of data I measured from a unit?? I have multiple input/output pairs that I want to use.? How would I do this??


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On Monday, August 1, 2016 11:50 PM, "Andy ai.egrps@... [LTspice]" wrote:


?
rmoreno.phone?wrote:

? ?"I've tried to understand how to create a current dependent voltage source but am unable to comprehend how to get my simulation circuit to work.? Is there anything available to describe in detail how to do this?"

Yes; there is the LTspice Help page for H-elements (current-dependent voltage sources).? But most of the reference descriptions there are most helpful for SPICE Netlists, and are a little vague about applying the same syntax to schematic symbols.

Assuming that you are using a schematic:

Voltage sources are our "ammeters".? Put a voltage source (probably set to 0V, but could be non-zero if that fits the rest of your circuit) in the branch where you want to sense the current, that will control your CCVS.

Add an H element where you want it.? Then right-click on the H that is by itself.? Edit that field so that it looks something like this:

Vxxx yyy.y

where Vxxx is the name (reference designator) of the voltage source that is the "ammeter",

and yyy.y is the transresistance or gain (in ?volts/amps) that you want.

Andy




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