sasa11
Dec 02,2013
365
How Printed Circuit Boards Became the Best Way to Connect Electrical Components
Up to the 1960s electronic parts were wired up point to point by hand soldering wires and components to tags and tag boards. This was extremely laborious and expensive. Quality was also poor because i...
sasa11
Dec 02,2013
642
How to Design an Enclosure for a Printed Circuit Board Assembly (PCBA)
The leading electronic component suppliers hold stocks of literally thousands of various types of enclosures so there is little point in paying for the tooling costs necessary to manufacture your own ...
sasa11
Dec 02,2013
591
PCB Autorouter
Pcb includes an autorouter which can greatly speed up the layout of a circuit board. The autorouter is a rectangle-expansion type of autorouter based on “A Method for Gridless Routing of Printed Circu...
sasa11
Dec 02,2013
615
PCB Polygons
Sometimes it's useful to fill large areas with solid copper. The way to do this is with polygons. Polygons can be created in either the polygon mode or the rectangle mode. In the polygon mode, you'll ...
sasa11
Dec 02,2013
461
PCB lines
Lines are used to draw tracks on the pc board. When in the line mode, each Btn1 press establishes one end of a line. Once the second point is defined, the line is drawn and a new line started where th...
sasa11
Dec 02,2013
582
PCB layers
Every layout consists of several layers that can be used independently or treated as a group. Layer groups can be used to logically separate (and color-code) different traces (e.g. power and signal); ...
sasa11
Dec 02,2013
724
PCB Elements
Elements represent the components on a board. Elements are loaded from ASCII coded files in a similar manner to the layout file itself, or from the library selector window. An element is composed of l...
sasa11
Dec 02,2013
351
Introduction of PCB layout
Each layout consists of several, mostly independent, objects. This chapter gives an overview of the object types and their relationship to each other. For a complete description of how to use Pcb, ref...
sasa11
Dec 02,2013
328
PCB's professional features
Pcb is an open source printed circuit board editor. Pcb includes many professional features such as: Up to 16 copper layer designs by default. By changing a compile time setting, this can be set as ...
sasa11
Dec 02,2013
477
The history of the PCB
pcb is a handy tool for laying out printed circuit boards. Pcb was first written by Thomas Nau for an Atari ST in 1990 and ported to UNIX and X11 in 1994. It was not intended as a professional layou...
sasa11
Dec 02,2013
689
PCB (software)
pcb (software) PCB is an open source software suite for electronic design automation (EDA) - for printed circuit boards (PCB) layout. HistoryPCB was first written by Thomas Nau for an Atari ST in 19...
sasa11
Dec 02,2013
1066
PCBoard
PCBoard PCBoard (PCB) was a bulletin board system (BBS) application first introduced for DOS in 1983 by Clark Development Corporation. Clark Development was founded by Fred Clark. PCBoard was one of ...
sasa11
Dec 02,2013
1357
Simple Micro Ampere Meter Circuit
This simple micro ampere meter circuit can help in measuring small currents in five ranges: from 1 µA to 10 mA. The meter is working in this way: the current being measured Ix shifts the input v...
sasa11
Dec 02,2013
652
Simple Square Wave Generator with 7400
This is a very simple square wave generator circuit built with IC 74LS00 that can generate square signals with frequencies between 20 Hz and 1 MHz. Its stability is good enough for most applications. ...
sasa11
Dec 02,2013
926
TL071, TL072, TL074 Circuit
The JFET-input operational amplifiers in the TL07x series are similar to the TL08x series, with low input bias and offset currents and fast slew rate. The low harmonic distortion and low noise make th...
sasa11
Nov 29,2013
707
PCB Design And Its Impact On Device Reliability
When we design for reliability, we usually focus on high-quality components operated conservatively and well within their absolute maximum specs. We expect such designs to become technically obsolete ...
sasa11
Nov 29,2013
600
PCB Technology Interview With Sunstone
I was able to interview a few people from Sunstone about rapid prototyping and the PCB industry for research for my article on perfect prototypes (see Tap New Technologies To Produce Practically Perfe...
sasa11
Nov 29,2013
826
What's New in Eagle V6 PCB Design Software? Prepare for More Third-Party Tools
From remote control airplanes to military applications for rockets, CadSoft Eagle PCB design software is used widely among hobbyists and professionals for designing circuits. Since its acquisition by...
sasa11
Nov 29,2013
370
Software Takes Guesswork Out Of PCB Power Integrity
It’s never been more important than in the current economic climate to get products to market with development costs held as low as possible. One of the ways that systems manufacturers can achieve tha...
sasa11
Nov 29,2013
532
Consortium Drives Open PCB Design-Data Standard
The IPC-2581 PCB design-data transfer format strives to be an open format that spans a growing ecosystem of OEMs, EDA vendors, DFM/documentation tools, and CAM/manufacturing providers. The IPC-2581...
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