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 CDF parameters of vpulse in analogLib 

Last post Fri, Sep 5 2008 1:00 PM by EricCDN. 3 replies.
Started by dineshp 28 Aug 2008 11:55 AM. Topic has 3 replies and 4932 views
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  • Thu, Aug 28 2008 11:55 AM

    • dineshp
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    CDF parameters of vpulse in analogLib Reply

    Can somobody please tell me what the non-obvious CDF parameters such as "Frequency name for 1/period", "Noise file name", Number of noise/fre pairs" etc listed in component properties of analogLib sources (eg vpulse) mean, and how to use them? Nothing in the documentation actually explains this, it just lists the CDS parameters which is not of much help. I'm trying to introduce some jitter to a signal, and I was wondering whether there was some way of doing it without generating a text file for a vpwlf component.

    Many thanks in advance!

    • Post Points: 35
  • Fri, Aug 29 2008 8:36 AM

    • EricCDN
    • Top 500 Contributor
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    Re: CDF parameters of vpulse in analogLib Reply

    Please see "Analog Library Reference Guide" Chapter 8 "Sources"

    In the end, vpulse, vpwlf, vdc, etc all get netlisted as "vsource"  You can see:

    unix> spectre -h vsource

    for more info as well.

     

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  • Sat, Aug 30 2008 4:37 AM

    • dineshp
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    Re: CDF parameters of vpulse in analogLib Reply

     Hi Eric,

    Thanks for your reply. Unfortunately neither of those references are of much help. I did check both before posting my original query, and the information contained in chapter 8 is restricted either to a bare 1 line description that is of no help in using them, or none at all. The command line help does not list the CDF parameters I was interested in. Do you know of any documentation out there from a user perspective?

     Many thanks, Dinesh

     

     

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  • Fri, Sep 5 2008 1:00 PM

    • EricCDN
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    • Joined on Fri, Aug 29 2008
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    Re: CDF parameters of vpulse in analogLib Reply

    "Frequency name for 1/period" netlists as "fundname"

    "Noise file name" netlists as "noisefile"

     "Number of noise/fre pairs" will expand the form and allow you to put in Freq/Noise pairs if you do not have a file of them. 

    • Post Points: 5
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Started by dineshp at 28 Aug 2008 11:55 AM. Topic has 3 replies.