lesson 2 2010 diode introduction with activities

# lesson 2 2010 diode introduction with activities - 1...

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Unformatted text preview: 1 Rectifier Diode Lesson 2 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. 3 PN junction Silicon + impurities: p-type: boron – aluminium (trivalent); n-type: antimony – arsenic (pentavalent) 4 Forward and Reverse Bias 5 Current-Voltage Characteristic: Forward Bias Forward bias I F = forward current V F = forward voltage r’ d = dynamic resistance (1/slope; ∆ V/ ∆ I) V P N IF (mA ) IR ( A ) .7V VBR VR μ VF 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 ) .7V VR μ VF VBR 7 Rectifier Diode Device Ca th od e (K ) An od e (A ) 8 Ideal Diode V F = ?...
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## This note was uploaded on 02/12/2010 for the course BME 302L taught by Professor Maarek during the Spring '08 term at USC.

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lesson 2 2010 diode introduction with activities - 1...

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