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Send component parameter value to dataset?

Question asked by mfredrik on Jan 21, 2003
Latest reply on Jan 23, 2003 by wrivas

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Is it possible to send the actual component parameter value to the dataset?

I'm trying to setup a resistor with a thermal coefficient and I would like to check out if I have done it right. Is it possible to send the actual resistance value to the dataset etc and check it out?

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mfredrik Jan 21, 2003 8:50 AM
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Yes, you can send the resistor value to the dataset by doing this:
- Double-click on the simulator controller
- Click on the Display Tab
- Check "Other" to be displayed on the schematic
- On the schematic, add the following syntax for the Other parameter:
  Other=OutVar="R1.R"
  
  Note that the syntax is case sensitive!
Please see this document for more info:
ADS 1.3; OutVar and component values Using the old OutVar syntax will cause problems when running an optimization.
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nilesh1 Jan 21, 2003 1:46 PM
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The above URL to the document does NOT seem to work!

Try this instead.

ADS 1.3; OutVar and component values
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Nilesh 8)
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mfredrik Jan 22, 2003 9:19 AM
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Thanks for the tip - it worked great
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TCHU Jan 23, 2003 4:24 AM
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Since the OutVar method is old and problematic, I would recommend taking advantage of the Output tab from the simulator controller for this purpose. This feature was added since ADS 2001.

What needs to happen is that the parameter of interest will have to be specified as a variable on the schematic. The variable will then be defined in a VAR block and given a value. Finally, this VAR will be available as a possible choice to output to the data display.
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mfredrik Jan 23, 2003 5:10 AM
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"

What needs to happen is that the parameter of interest will have to be specified as a variable on the schematic. The variable will then be defined in a VAR block and given a value. Finally, this VAR will be available as a possible choice to output to the data display.

"

Normally you can do that - but in the case I describe above with the resistor value you can't use the Output method since the value of the resistance is modified by the simulator based on the temperature and the thermal characterics that I define. I don't think there is a way to add a component parameter value, like you can with OutVar, using the Output method, or am I wrong?
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wrivas Jan 23, 2003 5:26 AM
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TChu, your method would work great in the case that the resistor value is fixed and does not vary through out the simulation. If the resistor has temperature coefficients assigned for example the value of resistance is temperature dependent and therefore your method would not represent the actual value of the component.

Bottom line, the two methods work depending on how the user has setup the simulation. If the user sets the value of the component via a VAR equation (in the resistor example he would even have to set the temperature scaling in the VAR equation) then the Output tab works. If value is setup exclusively via the component parameters or model card then you need to use the OutVar method.
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Send component parameter value to dataset?

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