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# diode - ECEN 325 Electronics Diodes Dr Aydn Ilker Karlayan...

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ECEN 325 Electronics Diodes Dr. Aydın ˙ Ilker Kar¸ sılayan Texas A&M University Department of Electrical and Computer Engineering

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Diode Diode pn junction I S I D Anode (Drift Current) Cathode Holes p n Electrons Depletion Region (Diffusion Current) ECEN 325 Electronics - Aydın ˙ I. Kar¸ sılayan - Diodes 1
Ideal Diode Ideal Diode Anode Cathode v D i D 0 D v D i v D < 0 i D = 0 i D > 0 v D = 0 ECEN 325 Electronics - Aydın ˙ I. Kar¸ sılayan - Diodes 2

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Ideal Diode Ideal Diode Analysis V D V X V X > 0 V X < 0 ECEN 325 Electronics - Aydın ˙ I. Kar¸ sılayan - Diodes 3
Ideal Diode Ideal Diode Example R v o v i v D v o v t i 0 o v i v ECEN 325 Electronics - Aydın ˙ I. Kar¸ sılayan - Diodes 4

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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 > 0 v D = 0.7 ECEN 325 Electronics - Aydın ˙ I. Kar¸ sılayan - 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 - Aydın ˙ I. Kar¸ sılayan - Diodes 6

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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 - Aydın ˙ I. Kar¸ sılayan - 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 - Aydın ˙ I. Kar¸ sılayan - Diodes 8

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Exponential I-V Model
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diode - ECEN 325 Electronics Diodes Dr Aydn Ilker Karlayan...

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