MAY 2018 I DESIGN007 MAGAZINE 73
5
The Bare (Board) Truth:
Refining Output Data Packages
for Fabricators
E
One of the biggest issues
PCB fabricators face is the
completeness (or incom-
pleteness) of the data out-
put package we receive
from customers on a new
PCB. In this column, I am
going to present what is
needed, from a fabricator's perspective, for a
good output package and why.
6
Polar Instruments Launches
Speedstack Si 2018 Edition
E
Polar Instruments, a specialist provider of tools
for PCB design, fabrication and test, announces
a major enhancement for Speedstack Si.
Speedstack Si 2018 edition now incorporates
the industry standard Polar Si9000e integrated
insertion loss field solver engine – which lets
the user both design and add comprehensive
insertion loss graphs and stackup specification
into Speedstack's professional report printer.
7
Will Cool Technology Attract the Next
Generation of PCB Designers?
E
We live in an increasingly
connected world. Ben Jor-
dan of Altium recently
theorized in these pages
that there could be more
than 200,000 new designs
required to fulfill the needs
of the 20 billion connected
devices projected to be in use by the year
2020. Yes, you read that correctly, 20 billion
connected devices.
8
RUSH PCB Unveils 10-Layer
HDI Design and Manufacture
Capabilities
E
Rush PCB Inc. now offers the design and man-
ufacturing of multilayer HDI PCBs of 10 layers
and more. In making the announcement, CEO
Akber Roy stated, "To achieve very high-den-
sity interconnection, designers at Rush PCB
Inc. use what we know as Every Layer Inter-
connect (ELIC) technology. This is a method
wherein each layer has its own copper-filled
laser-drilled microvias. When stacked up, it
provides the opportunity for dynamic connec-
tions between any two layers in the PCB.
9
Beyond Design: AC/DC is Not
Just a Rock Band
E
A capacitor is typically placed in series with both
differential signal traces to remove common
mode voltage differences between ICs or differ
-
ent technologies. An "AC coupling capacitor" or
"DC blocking capacitor" basically refers to the
same thing. Any capacitor placed in series with
the signal path tends to pass the high-frequency,
AC portions of the signal, while simultaneously
blocking the low-frequency DC portions. Since
these capacitors couple transmitter to receiver, I
prefer to use the term "AC coupling."
J
Porsche Engineering…by Design
E
Thomas Wischnack of Porsche Engineering
is currently designing the high-power charg-
ing infrastructure that will go inside the next
generation of automobiles. Thomas was a key-
note speaker at AltiumLive 2017 in Munich,
Germany. I met with him to learn more about
Porsche's hardware and circuit development
and what Porsche does to continually bring
new designers into the fold.
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