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.
PCBDesign007.com for the latest circuit design news and information.
Flex007.com focuses on the rapidly growing flexible and rigid-flex circuit market.
Istvan Novak
John Coonrod
Alun Morgan
John Watson
