November 2002
Intermediate to advanced
320 pages
9h 45m
English
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Printed-Circuit Boards
Printed-circuit boards are
epoxy-bonded
fiberglass sheets, plated with copper.
The copperplating is etched away, leaving tracks (traces) that form
the interconnections of the circuit. PCBs are very reliable and are
the only option if you intend to produce more than one system. It is
possible to etch your own PCBs, but commercial PCB production
isn’t that expensive, and it is worth the cost to
get professionally produced boards.
EDA (Electronic Design
Automation) software is used to create the schematic and
PCB design. The most popular EDA software comes from Mentor Graphics
(http://www.mentor.com) and
Protel (http://www.protel.com).
There is also a GNU (http://www.gnu.org) PCB editor (called PCB)
that is freely available. Such programs normally come with several
tools, allowing schematic entry, netlist generation (a list of what
needs to be connected to what), PCB layout, manual routing (making
the connections), and autorouting. There’s a great
temptation to use autorouters, as they simplify the process of
generating the PCB by getting your workstation to do the hard work of
routing. However, I prefer to lay out the circuit board myself.
(I’ve seen some autorouters make a real
pig’s breakfast of a design.) Routing
the
board manually can take a long
while, but it is often worth the extra effort. It can also be very
absorbing, much like spending hours in deep meditation.
(It’s very Zen.)
PCBs can be single-sided (one layer), double-sided (two layers), or ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.