Printed Circuit Boards: Design, Fabrication, and Assembly
McGraw Hill Professional, 2005 M09 7 - 704 pages
The printed circuit is the basic building block of the electronics hardware industry. This is a comprehensive single volume self-teaching guide to the art of printed circuit board design and fabrication -- covering the complete cycle of PCB creation, design, layout, fabrication, assembly, and testing.
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Power Rating: This refers to the maximum power that a resistor can dissipate
continuously at a temperature of 70°C. This is expressed in watts. Above 70°C,
the nominal power rating must be reduced according to the de-rating factor
R = 17.8 ¥ 500§0.3 ¥ 35 ¥1000 =17.8/0.3 ¥ 35 ¥ 2 = 0.85W It is known that when
current flows through a conductor, its temperature increases due to the joule
effect. The copper resistance increases with temperature. Thus, all values of ...
The measurement of temperature in each station of the whole reflow soldering
line versus the time is called thermal profile ... profile, which is shown as a graph
of temperature versus the time that the assembly takes to pass through each
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1 Basics of Printed Circuit Boards
2 Electronic Components
3 Layout Planning and Design
15 other sections not shown
Other editions - View all
Printed Circuit Boards: Design, Fabrication, Assembly and Testing
R. S. Khandpur
Limited preview - 2005
Printed Circuit Boards : Design, Fabrication, and Assembly: Design ...
No preview available - 2005