PCB DESIGN GUIDE
PRINTED CIRCUIT BOARD LAYOUT GUIDELINES, SOFTWARE,
TRACE CALCULATORS, TUTORIALS, AND ASSEMBLY INFO.
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Currently the main generic standard for the PCB design, regardless of materials, is IPC-2221A. Whether a printed circuit board is single-sided, double-sided or multilayer, this standard provides rules for manufacturability and quality such as requirements for material properties, criteria for surface plating, conductor thickness, component placement, dimensioning and tolerance rules, and more. For a specific technology, a designer can then choose an appropriate sectional standard from the IPC-2220 series. For power conversion designs, additional parameters are recommended by IPC-9592A.
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IPC and other standards do not tell you how to properly route the board. Good PCB layout techniques require an understanding of the effects of non-zero trace impedance and the coupling of signals from one circuit to another through parasitic capacitances and radio transmission, as well as a basic understanding of circuit operation. Auto placement software may be used for most parts of control circuits, but power, ground and high di/dt circuits should be routed by hand.
Below you will find more guidelines for designing PCB, links to software downloads, trace calculators and other info, tools and online resources.
