Trending Articles on Electronic Design Automation (EDA)
VeSys 2.0 installation error
Some of my customers have experienced problems installing VeSys 2010_2a. When the installation is almost complete and VeSys manager is started the installation bombs out with the following message:...
View ArticleLoading a DxDesigner color scheme file
The attached script loads a DxDesigner color scheme (dxc) file and sets the object colors accordingly. The dxc file is an xml file with the format described in this tech note:...
View ArticleHow to use variables in Calibre DRC Check Map statement
Hi all, I am very new to Calibre DRC deck creation.For experimentation purposes, I wish to write the statement like this : DRC Check Map myrule GDSII "Smylayer" "$mydtype" "$outputfile" APPEND...
View ArticleForum Post: RE: Instantiating instance from command line: no properties stored.
Hi Sjoerd, Setting the parameter to its own value is not particularly expensive - so I'm not sure I would necessarily worry about that. You could use dbFindProp/dbGetPropByName on the instance with...
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Phase noise and jitter simulation
I have a clocking circuit containing 2 stages, a buffer followed by a divider. I used pss with shooting method +pnoise to simultate the Rj. Assume that the clock frequency is fin at the input of the...
View ArticleError when starting Momentum
Hi,I am trying to run Momentum from Virtuoso Layout suite. After creating the momentum view starting from the layout view of my cell, the setup screen where I set ports frequencies, etc., I hit the...
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Phase Noise Setup doesn't work in port/vsource
I'm simply simulating pss and pnoise for a port/vsource, with added phase noise "freq, noise(dBc)" pairs.In my testbench, there's only the vsource and it's labelled output, and gnd. In ade, I setup pss...
View ArticleRE: How to avoid Hidden State in VerilogA model for SpectreRF
Dear Andrew,I am using AMS kit.I have made circuit using schematic editor but while I am running PSS analysis, it is getting terminated with showing following error: ERROR (SPCRTRF-15177): PSS analysis...
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Problem Simulating Noise Figure of Gm Cell (single Ended)
Hi,I was trying to simulate the NF of simple Inverter (Which I will use as a gm-cell at the output of my switch-cap passive mixer). Unfortunately I am getting NF=46.48 dB for my circuit.I have attached...
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Concatenated vectors of strings are truncated when the circuit is being...
This is a very strange bug: If I create two parameters to a subcircuit, one a vector of strings and the other a vector of integers and then call concat() in the subcircuit, then it works properly on...
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