A low forward bias if the junction is heavily doped on

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Unformatted text preview: For high currents, there are voltage drops across the N and P regions, so only a portion of the applied voltage actually gets to the PN junction and forward biases it. b) The applied bias exceeds the bandgap of the semiconductor. c) The diode enters breakdown. d) The depletion approximation begins to fail. e) The diode begins to overheat. Continued on next page 2 3) 4) If you observe an n = 2 slope to the high forward bias IV current of a PN junction, what physical explanation would you give?...
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This note was uploaded on 01/15/2014 for the course ECE 606 taught by Professor Staff during the Fall '08 term at Purdue University-West Lafayette.

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