.TRAN

[Roshni Uppala]

Can .TRAN have parameter references ?
For example :

.GLOBAL_PARAM time_step=1ns
.GLOBAL_PARAM sim_time=100ns

.TRAN {time_step} {sim_time}

This does not seem to work though. .TRAN works when I give in direct values. I have also tried other alternatives such as : no braces, declaring as .PARAM , and many more. Nothing works. Am I missing something?
Also the reference guide says .GLOBAL_PARAM is not doesnot take time-dependent paramenters. I have also tried the following, but doesnot work :

.GLOBAL_PARAM time_step=1
.GLOBAL_PARAM sim_time=100

.TRAN {time_step}ns {sim_time}ns

[xyce-users]

On Tuesday, June 3, 2014 8:46:34 AM UTC-6, Roshni Uppala wrote:

Can .TRAN have parameter references ?

No, it cannot.

Use of expressions (including use of parameters defined in .PARAM statements) is only legal in certain contexts, and .TRAN is  not one of them.

There is an open enhancement request to change this, but at the moment the only places where expressions are legal are in device instance lines, model cards, .param and .global_param lines, and on .print lines.  For what it's worth, this is mentioned in the "Known defects and workarounds" section of the release notes, as it is a common request that expressions be usable everywhere any number can be used, but one we have not risen in priority above our other requirements.

[Roshni Uppala]

Ok. Thank you.

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