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Understanding Diode Characteristics: I-V Curves, Biasing, and Applications in Circuits

This guide explores the essential characteristics of diodes, focusing on their current-voltage (I-V) relationships in both forward conduction and reverse saturation regions. It covers practical aspects such as biasing configurations and the behavior of various diode types, including Zener diodes, visible through schematic representations. Key applications like limiters/rectifiers, LED circuits, and voltage multipliers are explained. By using resistors and analyzing voltage outputs in different configurations, readers will gain foundational knowledge about diodes and their practical uses in electronic circuits.

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Understanding Diode Characteristics: I-V Curves, Biasing, and Applications in Circuits

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  1. Lab #1 - Diodes

  2. Real Diode Characteristic Simple Approximation I I Forward conduction region Forward conduction region I V Vbr Vbr V Von V Reverse saturation region Von Diodes

  3. Reflector LED symbol LEDs

  4. R A Id 1 kΩ Id 12 V Vd Vs V Vd Diode Biasing R Id 12 V Vd

  5. 1 kΩ 12 V Vout 470 Ω Vout 5 V 1 kΩ Vs 1 kΩ 12 V Vout RL Series Diodes

  6. R R R Vs Vs R Red Vs Green Red Green Diodes in Parallel

  7. Vin 10 kΩ Vout Bright CL Dim Vin 10 kΩ Vout Lamp AC in Off 10 kΩ Vin Vout Vin t Vout Limiters/Rectifiers

  8. 1 kΩ 10 kΩ Vin Vout Vin Vout Limiters

  9. Diode Logic +5 V V1 470 Ω V1 V2 Vout Vout 470 Ω V2 +5 V 470 Ω

  10. Iz Vz 10 6.8 3.3 Vz Iz 1N758A 1N754A 1N746A 10 kΩ Vin Vout Zener Diodes

  11. 1 μF Vout Vin 100 kΩ 1 μF Vin Vin Vout Vout Voltage Multipliers

  12. Scope Grid

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