diode - ECEN 325 Electronics Diodes Dr. Aydn Ilker Kar...

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Unformatted text preview: ECEN 325 Electronics Diodes Dr. Aydn Ilker Kar slayan Texas A&M University Department of Electrical and Computer Engineering Diode Diode pn junction I S I D Anode (Drift Current) Cathode Holes p n Electrons Depletion Region (Diffusion Current) ECEN 325 Electronics - Aydn I. Kar slayan - Diodes 1 Ideal Diode Ideal Diode Anode Cathode v D i D D v D i v D < i D = 0 i D > v D = 0 ECEN 325 Electronics - Aydn I. Kar slayan - Diodes 2 Ideal Diode Ideal Diode Analysis V D V X V X > 0 V X < 0 ECEN 325 Electronics - Aydn I. Kar slayan - Diodes 3 Ideal Diode Ideal Diode Example R v o v i v D v o v t i o v i v ECEN 325 Electronics - Aydn I. Kar slayan - Diodes 4 Constant-Voltage-Drop Model Constant-Voltage-Drop Model Anode Cathode v D i D 0.7 D v D i v D < 0.7 i D = 0 i D > v D = 0.7 ECEN 325 Electronics - Aydn I. Kar slayan - Diodes 5 Constant-Voltage-Drop Model Constant-Voltage-Drop Model Analysis V D V X V X < 0.7 V X > 0.7 0.7 ECEN 325 Electronics - Aydn I. Kar slayan - Diodes 6 Constant-Voltage-Drop Model Constant-Voltage-Drop Model Example R v o v i v D v o t v 0.7V i 0.7 o v i v ECEN 325 Electronics - Aydn I. Kar slayan - Diodes 7 Exponential I-V Model Exponential I-V Model Anode Cathode v D i D BV D v D 0.7 i ECEN 325 Electronics - Aydn I. Kar slayan - Diodes 8 Exponential I-V Model...
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This note was uploaded on 02/16/2009 for the course ECEN 325 taught by Professor Silva during the Fall '08 term at Texas A&M.

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diode - ECEN 325 Electronics Diodes Dr. Aydn Ilker Kar...

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