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Saving data into file

Question asked by VIRALPARIKH on Oct 10, 2006
Latest reply on Apr 12, 2010 by R13801

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Hello,

I am trying to save node voltages and currents in an external file. So, I can use them in Matlab for post-processing.

I tried to use "write_var" in "Measurement_Expresson". Though, I am saving only one variable, it's giving me error; "Only one-dimentional data can be saved into file". According to me, my variable is one-dimentional.

What should I do ? Is there any better way of saving data into file ?

Thanks,
Viral

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rdastyle Jun 26, 2009 6:27 AM
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Hi,

Here one possibility for what you want : run your simulation, plot the datas, select the curve you want to export and go to (in ADS result window) :

file-> export-> Write selected item to tab-delimited ASCII and then save your file as name_of_your_file.txt

Finually, import your file into MATLAB. (it works on ADS 2005A and older version)

Hope it will help you.

Regards.
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juan-carlos.perezambrojo@thalesaleniaspace.com Oct 5, 2009 4:21 AM
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Is there any way to save the schematic "annotate DC solution" to a file so that a list of components with voltage and current trought them is obtained?

Regards
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chard Oct 8, 2009 6:05 PM
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Hello,

You should be able to write anything inside the dataset to a text file (Citifile, MDIF format) using the Data File tool. Just make sure you output your VAR's or MeaEqns through the simulation controller. There's no need to fuss with write_var.

I've done this and it works.
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juan-carlos.perezambrojo@thalesaleniaspace.com Oct 9, 2009 12:28 AM
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The problem is that this "Annotate DC solution" shows node voltages and branch currents only on the Schematic Window. Having these results on the dataset would imply to give name to every node and inserting current probes on every branch (huge work on a big circuit). If this is already obtained by only one click, I guess there should be a way to pass this schematic information to a file.

Regards.
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R13801 Apr 12, 2010 12:49 PM
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A hint :
in ADS unnamed nets begin with "_net" . The all nets which have this beginning name are not saved in the dataset.
If you find a way to netlist with all nets name different from _net, then all nets will be saved.

This is what happens in ADS dynamic link ( schematic in Cadence) . By default Cadence netlister creates nets beginning with "net". There is no underscore. Then the dataset contains all nets. ( which I did not want by the way!).

I don't know how to specify to the netlister to change his behavior but I think it could be the answer to your problem.
BR
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