lesson 2 2009 diode introduction with activities

lesson 2 2009 diode introduction with activities - (K An...

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1 Rectifier Diode  Lesson 2
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2 Rectifier Diode Objective: after learning this section, you will be able to: Draw and interpret the current-voltage characteristic of a pn junction; Draw the symbol and name the leads for a pn rectifier diode; Draw three electric models of the rectifier diode; Use the three models for analysis of diode circuits; Test a diode with a digital multimeter.
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3 PN junction
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4 Forward and Reverse Bias
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5 Current-Voltage Characteristic: Forward Bias Forward bias I F = forward current V F = forward voltage r’ d = dynamic resistance ? V P N IF (mA) IR( A) 0.7V VBR VR μ VF
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6 Current-Voltage Characteristic: Reverse Bias Reverse bias I R = reverse current V R = reverse voltage V BR = breakdown voltage? V P N IF (mA) IR( A) 0.7V VR μ VF VBR
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7 Rectifier Diode Device Cat hode
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Unformatted text preview: (K) An ode (A) 8 Ideal Diode V F = ? I F = ? When to use? IF (mA) IR( A) VR μ VF R Vbias 9 Practical Diode V F = ? I F = ? When to use? IF (mA) IR( A) 0.7V VR μ VF R Vbias 10 Activity 1 Determine the diode current, load voltage, diode power and load power for the circuit on the left. Use successively the ideal diode model and the practical diode model. DIODE1~1 11 Activity 1 - solution DIODE1~1 12 Complex Diode V F = ? I F = ? When to use ? IF (mA) IR( A) 0.7V VR μ VF R Vbias r'd r'R 13 Diode Testing with DMM Diode-test position Working diode Defective diode Resistance position Working diode Defective diode...
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This note was uploaded on 09/03/2009 for the course BME 302L taught by Professor Maarek during the Fall '08 term at USC.

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lesson 2 2009 diode introduction with activities - (K An...

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