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IBIS INTERCONNECT MODELING AD HOC TASK GROUP MEETING MINUTES
Meeting Date: April 4, 2007

http://www.eda.org/ibis/adhoc/interconnect/

Mailing list: ibis-interconn@freelists.org

Attendees:
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(* denotes present)
Agilent                    - Radek Biernacki*, John Moore*
Green Streak Programs      - Lynne Green*
Intel                      - Michael Mirmak*
Mentor Graphics Corp.      - John Angulo*
Micron Technology          - Randy Wolff*
Teraspeed Consulting Group - Bob Ross* 

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Next Meeting:
Wednesday, April 18, 2007

               Telephone     Bridge   Passcode
              916-356-2663      4     716-6794

LiveMeeting Details:

  Subject: IBIS Ad Hoc Interconnect Meeting
  Meeting URL: https://www.livemeeting.com/cc/intel/join
  Meeting ID: JFDBP6
  Meeting Key: m&R'QJw|4


Agenda:
- Review of Touchstone(R)2 draft 5
- Example of S-parameter Shorting under IIRD9

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No opens were raised.

During review of the latest revision of the Touchstone(R) update draft,
several recommendations were made:
- (Radek) revise the noise parameters according to the following summary:
   x1     is a frequency and is formatted from the options line
   x2, x3 are the complex form of the source reflection coefficient and
          are not normalized; they are not formated by the option line
          in version 1.0 files.  x2 is a magnitude (not R or dB)
   x4     is in degrees
   x5     has normalization per version 1.0 options line but should not 
          be normalized in version 2.0
- (Bob, John A.)   reorganize the document to make the difference between
          version 1.0 and 2.0 rules more clear
- (Radek) provide more version 2.0 examples
- (Radek) remove G, H mentions for 1-port and n-port formats
- (Radek) explain how empty options lines are interpreted
- (John M.) use | instead of / character to separate options
- (Radek) use a non-1 option R in an example
- (Radek) use a non-normalized example
- (Radek) explain the number of items/line or line length requirements in
          version 2.0.  Clarify that the parser reads groups of 2N+1 elements,
          where N is the number of ports.  End-of-line characters therefore
          don't matter
- (Radek) Replace "matrix format" with "matric row-wise entry"

Michael will implement these changes.

ARs
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Sam     - provide a simple drawing of "virtual reference" case
Michael - update IIRD9 draft with changes for final review next time - DONE


Team Objectives:
1) complete ICM-IBIS linking BIRD and any associated changes to the 
   ICM specification
2) update the ICM specification, if needed, to clarify the mapping of 
   ICM nodes to S-parameter ports
3) complete a specification for "Touchstone Plus" or similar 
   industry-standard definition for Touchstone-like files, to include 
   complex impedance references, removal of limits on the maximum number 
   of ports and per-port impedance references