Diode Circuit Analysis ENGI 242 ELEC 222. 1 February 2005ENGI 242/ELEC 2222 Diode Circuit Analysis –Graphical Analysis using Loadlines –Analytical Analysis.

Diode Circuit Analysis

ENGI 242ELEC 222

1 February 2005 ENGI 242/ELEC 222 2

Diode Circuit Analysis• Diode Circuit Analysis

– Graphical Analysis using Loadlines– Analytical Analysis using KVL and KCL

• LEDs• Zener Diodes• Diode Resistance

– Static Resistance RD

– Dynamic Resistance rd

– Average Resistance rdav

• Diode Characteristic Curves• Simulation

1 February 2005 ENGI 242/ELEC 222 3

Series Diode Configuration

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Drawing a Load Line to Find the Q Point .

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Diode Circuit and Characteristics .

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Load Line Example

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Determining the Unknown Network Quantities

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Network Example

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Determining the Unknown Network Quantities

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Network Example

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Network Example Output

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Half Wave Rectifier

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Half Wave Rectifier

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Full Wave Rectifier

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Full Wave Rectifier

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Full Wave Bridge Rectifier

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Full Wave Bridge Rectifier

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Zener Diode Equivalents

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Basic Zener Regulator

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Determining the State of the Zener

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The Zener Equivalent Circuit Operation

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Zener Diode Regulator

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Determining V for the Regulator

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Q-Point for the Network

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Network in the conducting state

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Zener Network Output