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AUGUST 2021 I DESIGN007 MAGAZINE 93 5 Rogers Technology Update E A t t h e I E E E In t e r n a t i o n a l Microwave Symposium (IMS) show in Atlanta, Andy Shaugh- nessy met with John Coonrod, technical marketing manager with Rogers Corporation and a Design007 columnist. He asked John to dis- cuss the papers he presented at IMS and to give us an update on Rogers' materials and technology. 6 Quiet Power: Ask the Experts— PDN Filters E In recent years I have been get- ting a lot of questions about PDN filters from my course par- ticipants and from friends, col- leagues and even from strang- ers. Long gone are the days when the essence of power distribution design recommendation was "place a 0.1µF bypass capacitor next to each power pin." 7 Electronic System Design Industry Reports 17% Revenue Growth in Q1 2021 E Electronic System Design industry revenue increased 17% to $3.15 billion in Q1 2021, the strongest first-quarter growth ever, the ESD Alliance, a SEMI Technology Community, announced in the Q1 2021 Electronic Design Market Data report. 8 It's FR-4, Jim, But Not as We Know It! E As Star Trek was responsible for adding terms such as pho- ton torpedo, dilithium crys- tal, and warp drive to our lan- guage, so NEMA were respon- sible for the terms G-10, FR-4, and FR-5. "FR" was the NEMA abbreviation for "flame retardant" and materials so classified were marked with a red manufacturer's logo. 9 Ask the Experts: 12-Layer Stackups With Multiple Powers and Grounds E Question: We're having lots of problems designing good stackup s for 6-, 8-, 10- and 12-layer boards with multiple powers and grounds. Any sug- gestions? J Elementary, Mr. Watson: Time to Market, from Ludicrous Speed to Plaid E Mel Brooks may have some- thing to teach us about going "ludicrous speed" in getting our designs to the finish line. I-Connect007 columnist John Watson explains. for the latest circuit design news and information. focuses on the rapidly growing flexible and rigid-flex circuit market. Istvan Novak John Coonrod Alun Morgan John Watson

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