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Click Add.
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Click Study.
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In the Select Study tree, select Preset Studies for Selected Physics Interfaces>Semiconductor Initialization.
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Click Done.
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Browse to the model’s Application Libraries folder and double-click the file bipolar_transistor_parameters.txt.
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In the Model Builder window, under Component 1 (comp1)>Semiconductor (semi) click Semiconductor Material Model 1.
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Click OK.
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Click OK.
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Click OK.
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Click OK.
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Click OK.
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Click OK.
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Select the Description check box.
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In the associated text field, type log10(abs(Ndoping)).
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Click OK.
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In the Physics and variables selection tree, select Component 1 (comp1)>Semiconductor (semi)>Base current.
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Click Disable.
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Click Add.
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In the Model Builder window, expand the V_B sweep, V_C=0.5 V, V_E=0 V>Solver Configurations>Solution 5 (sol5) node, then click Stationary Solver 1.
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In the Settings window for Global, click Replace Expression in the upper-right corner of the y-Axis Data section. From the menu, choose Component 1 (comp1)>Semiconductor>Terminals>semi.I0_1 - Terminal current - A.
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Click Add Expression in the upper-right corner of the y-Axis Data section. From the menu, choose Component 1 (comp1)>Semiconductor>Terminals>semi.I0_2 - Terminal current - A.
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Click Add Expression in the upper-right corner of the y-Axis Data section. From the menu, choose Component 1 (comp1)>Semiconductor>Terminals>semi.I0_3 - Terminal current - A.
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Click to expand the Coloring and Style section. Find the Line style subsection. From the Line list, choose None.
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In the Rename 1D Plot Group dialog box, type I_E, I_B and I_C as a function of V_BE in the New label text field.
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Click OK.
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In the associated text field, type Base Voltage (V).
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In the associated text field, type Current (A).
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In the Rename 1D Plot Group dialog box, type Gummel Plot, I_C and I_B as a function of V_BE in the New label text field.
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Click OK.
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In the associated text field, type Collector current (A).
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In the associated text field, type Current Gain.
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Click OK.
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Click OK.
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In the Physics and variables selection tree, select Component 1 (comp1)>Semiconductor (semi)>Base current.
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Click Disable.
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Click Add.
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Click Add.
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Locate the Expressions section. In the table, enter the following settings:
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Click Evaluate.
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Go to the Table window.
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Click OK.
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Find the Initial values of variables solved for subsection. From the Settings list, choose User controlled.
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Click Add.
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Click Add.
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In the Rename Study dialog box, type V_C sweep, V_E=0 V, for I_B=10[uA] in the New label text field.
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Click OK.
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Find the Initial values of variables solved for subsection. From the Settings list, choose User controlled.
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Click Add.
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Click Add.
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In the Rename 1D Plot Group dialog box, type Common-emitter output characteristics in the New label text field.
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Click OK.
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In the associated text field, type Collector Voltage (V).
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In the associated text field, type Collector Current (uA).
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Click OK.
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In the Settings window for Arrow Surface, click Replace Expression in the upper-right corner of the Expression section. From the menu, choose Component 1 (comp1)>Semiconductor>Currents and charge>Electron current>semi.JnX,semi.JnY - Electron current density.
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