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Jump to first page The Bipolar Junction Transistor A Bond Graph Model Michael C. Schweisguth, Graduate Student François E. Cellier, Professor Dept. of.

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Presentation on theme: "Jump to first page The Bipolar Junction Transistor A Bond Graph Model Michael C. Schweisguth, Graduate Student François E. Cellier, Professor Dept. of."— Presentation transcript:

1 Jump to first page The Bipolar Junction Transistor A Bond Graph Model Michael C. Schweisguth, Graduate Student François E. Cellier, Professor Dept. of Electrical and Computer Engineering University of Arizona, Tucson, Arizona, U.S.A.

2 Jump to first page Contents n The Circuit Model n Translation to a Bond Graph n Reformulation of the Bond Graph n Simulation Results n Physicality of the Model n Conclusions

3 Jump to first page The BJT Circuit Model

4 Jump to first page The Junction Diode Model

5 Jump to first page Translation to Bond Graph

6 Jump to first page Reformulation of Bond Graph

7 Jump to first page Simulation Results time V in 50200

8 Jump to first page Physicality of the Model

9 Jump to first page Conclusions n The Bond Graph has helped identify a potential problem with the physicality of the BJT circuit model n Manipulating the Bond Graph helped identify the true power flows through the device n The Bond Graph helped to find the equations that prove that no power is ever generated by the current sources (which, in fact, are nothing but nonlinear resistors) n The Bond Graph methodology ensured that the model representing the BJT is physically sound.


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