Lecture 1 - Webstaff.kmutt.ac.th - kmutt
Lecture 1 - Webstaff.kmutt.ac.th - kmutt
Lecture 1 - Webstaff.kmutt.ac.th - kmutt
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Forward Bias<br />
Diode Operating Conditions<br />
External voltage is applied <strong>ac</strong>ross <strong>th</strong>e p-n junction in<br />
<strong>th</strong>e same polarity as <strong>th</strong>e p- and n-type materials.<br />
• The forward voltage causes <strong>th</strong>e<br />
depletion region to narrow.<br />
• The electrons and holes are pushed<br />
toward <strong>th</strong>e p-n junction.<br />
• The electrons and holes have<br />
sufficient energy to cross <strong>th</strong>e p-n<br />
junction.<br />
Electronic Devices and Circuit Theory, 10/e<br />
Robert L. Boylestad and Louis Nashelsky<br />
13<br />
Copyright ©2009 by Pearson Education, Inc.<br />
Upper Saddle River, New Jersey 07458 • All rights reserved.
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