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The Designer's Guide Community Forum › Design Languages › Verilog-AMS › Verilog-A vs Verilog-AMS

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Verilog-A vs Verilog-AMS (Read 9585 times)

tky86 New Member Offline Posts: 7 malaysia	Verilog-A vs Verilog-AMS Nov 10^th, 2011, 7:26pm Hi, I'm not sure whether i post in the right place or not. I was wondering what is the different between verilog-A and verilog-AMS? Could i get the free-download either these 2 tools in any websites? Thanks.
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boe Community Fellow Offline Posts: 615	Re: Verilog-A vs Verilog-AMS Reply #1 - Nov 11^th, 2011, 8:13am tky86, Verilog-A is for analog models. Verilog-AMS supports digital as well. - B O E
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Geoffrey_Coram Senior Fellow Offline Posts: 1999 Massachusetts, USA	Re: Verilog-A vs Verilog-AMS Reply #2 - Nov 14^th, 2011, 8:56am Verilog-AMS (analog and mixed-signal) is a hardware description language. Verilog-A is the analog-only subset of V-AMS. They're languages, not tools. There are some free tools that support some parts of Verilog-A (qucs and ADMS, for example, both on sourceforge.net).
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tky86 New Member Offline Posts: 7 malaysia	Re: Verilog-A vs Verilog-AMS Reply #3 - Nov 17^th, 2011, 5:04pm thanks! which tools can support verilog-A/ verilog-AMS? any free download website? thanks
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Geoffrey_Coram Senior Fellow Offline Posts: 1999 Massachusetts, USA	Re: Verilog-A vs Verilog-AMS Reply #4 - Nov 22^nd, 2011, 10:39am Did you read my previous response? Geoffrey_Coram wrote on Nov 14^th, 2011, 8:56am: There are some free tools that support some parts of Verilog-A (qucs and ADMS, for example, both on sourceforge.net).
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afridi Junior Member Offline Posts: 24	Re: Verilog-A vs Verilog-AMS Reply #5 - Feb 7^th, 2012, 10:04pm In reference to this topics... a question arises that my Cadence shows a Verilog-AMS type cell but when I write any code it doesn't compile, whereas Verilog-A works. What could be the reason?
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boe Community Fellow Offline Posts: 615	Re: Verilog-A vs Verilog-AMS Reply #6 - Feb 8^th, 2012, 4:27am afridi wrote on Feb 7^th, 2012, 10:04pm: In reference to this topics... a question arises that my Cadence shows a Verilog-AMS type cell but when I write any code it doesn't compile, whereas Verilog-A works. What could be the reason? Are the required tools installed? Do you have the licenses needed? - B O E
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afridi Junior Member Offline Posts: 24	Re: Verilog-A vs Verilog-AMS Reply #7 - Feb 8^th, 2012, 5:04am how can one check this from the CIW? I am a student so I don't know exactly what kind of licenses are installed. All i know is that Spectre Version is 5.10
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boe Community Fellow Offline Posts: 615	Re: Verilog-A vs Verilog-AMS Reply #8 - Feb 8^th, 2012, 5:28am Afridi, Spectre 5.1.0 is very old. You should use Spectre 10.x/11.x (from MMSIM10/11). For AMS you also need INCISIVE (was IUS), which should not be too old either. Try ncsim -W for version of IUS/INCISIVE. - B O E
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afridi Junior Member Offline Posts: 24	Re: Verilog-A vs Verilog-AMS Reply #9 - Feb 8^th, 2012, 6:48am Dear boe, If the AMS is so old why is there an option of VerilogAMS-Editor in the cellview? The ncsim -W doesnt work in the CIW. It shows the following error " Error eval: undefined function - ncsim "
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boe Community Fellow Offline Posts: 615	Re: Verilog-A vs Verilog-AMS Reply #10 - Feb 8^th, 2012, 7:11am Afridi, sorry, I forgot to mention that you should run the command in the shell. Older versions of the tools should support AMS as well, but you should expect more problems. - B O E
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boe Community Fellow Offline Posts: 615	Re: Verilog-A vs Verilog-AMS Reply #11 - Feb 8^th, 2012, 7:13am afridi wrote on Feb 8^th, 2012, 6:48am: If the AMS is so old why is there an option of VerilogAMS-Editor in the cellview? IMO it is Cadence marketing stategy to show fetures you have not licensed... - B O E
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