3-Handouts_Handout_2d - Diode Circuits Analysis ¡...

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Unformatted text preview: Diode Circuits Analysis ¡ Graphical Method ¡ The intersection of the diode and the resistor current equations is calculated & Gives good understanding to the circuit operation ' Time consuming ' Not suitable for large circuits ¡ Analytical Method ¡ Both diode and resistor current equations are solved simultaneously or iteratively & Faster than graphical method & More accurate ' Time consuming ' Not suitable for large circuits ¡ Diode Models ¡ Piecewise-linear diode model is used to replace the diode & Least time consuming method & Suitable for larger circuits ' Accuracy depends on the used model A simple diode circuit. R V V I e I I D S R nV V S D T D − = ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎝ ⎛ − = Equation Current Resistor Equation Current Diode 1 Graphical Method Step 1 : Locating the Operating Points Step 2 : KVL & KCL Constraints Step 3 : Enforcing KVL & KCL Solution Graphical Method (cont.) & Gives good understanding to the circuit operation ' Not suitable for large circuits General Problem Basic Load Line Construction Alternative Construction Graphical Method (Example) Problem: Find Q-point Given data:...
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This note was uploaded on 01/16/2010 for the course EE ee203 taught by Professor Electronics1 during the Spring '09 term at King Fahd University of Petroleum & Minerals.

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3-Handouts_Handout_2d - Diode Circuits Analysis ¡...

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