Dallas Chapter, IEEE EMC Society = November 2006 Meeting

Dallas Chapter

November 21st, 2006

Mr. Tony Dunbar

Applications Engineer Consultant
Mentor Graphics Corporation

TOPIC:
"Addressing EMI Issues During the PCB Design Process"

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Program Summary:

In order to comply with the various EMC regulations around the world, most companies that design electronic systems implement rules aimed at ensuring the physical aspects of the printed circuit board do not act as EMI sources. Some rules might be considered as standard practice but different restrictions need to be applied based on varying criteria, as stipulated by the company EMC Engineer. The problem is how to apply the rules and check for compliance on a consistent, accurate and productive basis. The often-employed visual scan by the EMC or design engineer can easily fail to meet these standards. A design rule check (DRC) approach is presented, which provides for the EMC Engineer's expertise to be "written in" to the rules and applied on a consistent basis with much greater accuracy and productivity than a visual inspection of the CAD layout of the board. Additionally, the EMC Engineer's advice on how to fix violations of the DRCs can be included.

Retrieve Presentation (5 MB pdf)

Our Speaker: Tony Dunbar is an Applications Engineer Consultant with Mentor Graphics Corporation. He holds an Honors B.Sc. degree in Electrical Engineering from the University of Salford, Manchester, England. Including 10 years at Mentor Graphics, he has 18 years experience in signal integrity and EMC applications with Interconnectix and Zuken-Redac, formerly Racal-Redac, in the USA and Europe. In his early career, he was a Design Engineer in the defense electronics industry in the U.K. Tony is a fervent soccer fan and coach and a life-long supporter of his hometown, English Premier League team, Blackburn Rovers.

Minutes: IEEE/EMC Society Monthly Meeting, November 21, 2006:

The November 2006 meeting of the Dallas IEEE/EMC Society was held at the Holiday Inn Select, Richardson,Texas on November 21st.
An opportunity for networking was provided while refreshments were served from 6 to 7 PM, following which, the meeting was opened by Bill Paschetag, chapter chairman. A summary of the minutes from the October 2006 meeting was given by chapter chairman Bill Paschetag.
After attendees introduced themselves, Bill introduced the guest speaker, Mr. Tony Dunbar, Applications Engineer Consultant with Mentor Graphics. His topic was “Addressing EMI Issues During the PCB Design Process".
Tony introduced a relatively new Mentor Graphics product, Quiet Expert, which uses an "expert system" approach to locate potential EMI problems during the board design phase. Quiet Expert, using special “design rule checks”, identifies specific areas in the circuitry where potential EMI problems may occur and provides advice to correct the problems. This problem identification and corrective advice is based on the design rule checks, some of which are “standard” and provided with the software, and other design rule checks may be unique to particular requirements of the user.
There were 24 attendees, including 13 IEEE members and 11 non-members.
Refreshments -- pizza, salad and soft drinks -- were provided by Dallas EMC Chapter with financial assistance from Chapter Sponsor – Advance Test Equipment.
The meeting adjourned at 8:45 PM. The next meeting to be held on January 16th, 2007 at a meeting location to be determined and announced on the Dallas EMC Chapter website.

Respectfully submitted –
Bill Paschetag, Dallas IEEE.EMC Chapter Chairman

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