Home > Community > Forums > Custom IC Design > Symbol with design variable

Email

* Required Fields

Recipients email * (separate multiple addresses with commas)

Your name *

Your email *

Message *

Contact Us

* Required Fields
First Name *

Last Name *

Email *

Company / Institution *

Comments: *

 Symbol with design variable 

Last post Fri, Jan 4 2013 5:48 AM by HamidKhatibi. 2 replies.
Started by HamidKhatibi 03 Jan 2013 12:11 PM. Topic has 2 replies and 773 views
Page 1 of 1 (3 items)
Sort Posts:
  • Thu, Jan 3 2013 12:11 PM

    • HamidKhatibi
    • Top 500 Contributor
    • Joined on Thu, Jan 3 2013
    • Ithaca, NY
    • Posts 25
    • Points 350
    Symbol with design variable Reply

    Hi 
    I am a new user. I have a circuit with one Inductor and I have made a symbol of that circuit (Create-Cellview-From cellview) and I need to instantiate this symbol several times in another circuit. However, I need to assign different inductance to that inductor for each instants.

    Would you please let me know how I can set it up?

    Thank you very much

    Hamid 

     

    • Post Points: 20
  • Thu, Jan 3 2013 11:05 PM

    Re: Symbol with design variable Reply

    Hamid,

    In your circuit with one inductor, you can set the value of the inductor to (say) pPar("indval") . Then use Create->Cellview from Cellview again (you can use "Modify" mode rather than Replace), and it will update the CDF for your cell.

    Then in the CIW, go to Tools->CDF->Edit CDF, and set the CDF type to "Base". You can then set the default value for the parameter indval for your cell, and change the prompt to something other than indval (e.g. "Inductance") to give a more meaningful prompt.

    Then if you instantiate your symbol, you'll get prompted to set the inductor value.

    Regards,

    Andrew.

     

    • Post Points: 20
  • Fri, Jan 4 2013 5:48 AM

    • HamidKhatibi
    • Top 500 Contributor
    • Joined on Thu, Jan 3 2013
    • Ithaca, NY
    • Posts 25
    • Points 350
    Re: Symbol with design variable Reply

    Andrew-

    Thank you very much. It worked well.

     

    Best regards,

    Hamid 

    • Post Points: 5
Page 1 of 1 (3 items)
Sort Posts:
Started by HamidKhatibi at 03 Jan 2013 12:11 PM. Topic has 2 replies.