OrCAD Capture User’s Guide, Cadence Design Systems, Inc
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http://www.google.co.in/url?sa=t&source=web&cd=3&ved=0CCMQFjAC&url=http%3A%2F%2Fwww.seas.upenn.edu%2F~jan%2Fspice%2FPSpice_CaptureGuideOrCAD.pdf&ei=5pRdTPmgHozyuAOz98GZDA&usg=AFQjCNFuC0XKJp-dcurgvYmYmIGavz8NCw
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http://www.google.co.in/url?sa=t&source=web&cd=3&ved=0CCMQFjAC&url=http%3A%2F%2Fwww.seas.upenn.edu%2F~jan%2Fspice%2FPSpice_CaptureGuideOrCAD.pdf&ei=5pRdTPmgHozyuAOz98GZDA&usg=AFQjCNFuC0XKJp-dcurgvYmYmIGavz8NCw
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OrCAD Layout User’s Guide, Cadence Design Systems, Inc.
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http://www.google.co.in/url?sa=t&source=web&cd=3&ved=0CB4QFjAC&url=http%3A%2F%2Fwww.moodle.ee.ttu.edu%2Ffile.php%2F1%2Flayout%2Flay_ug.pdf&ei=CpddTPfdO5TSuwO68d2ZDA&usg=AFQjCNGJw2x6rPskRIo1SI3dJk8730O_qA
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