SPICE DEVICE MODELS AND DESIGN SIMULATION EXAMPLES …

APPENDIX BSPICE DEVICE MODELS AND DESIGNSIMULATION EXAMPLES USING PSPICEAND MULTISIMI ntroductionThis appendix is concerned with the very important topic of using PSpice and Multisim tosimulate the operation of electronic circuits. The need for and the role of computer simulationin circuit DESIGN was described in the preface. The appendix has three sections: Section a brief description of the MODELS that SPICE uses to describe the operation of opamps, diodes, MOSFETs, and BJTs. Section presents DESIGN and SIMULATION examplesusing PSpice. Finally, DESIGN and SIMULATION EXAMPLES utilizing Multisim are presented inSection The EXAMPLES are keyed to the book chapters and are numbered in a way thatmakes this relationship transparent. Thus, Example refers to the first PSpice simulationexample on Chapter 2 material. Similarly, Example refers to the second Multisimsimulation example on Chapter 5 the descriptions presented in this appendix, the reader will find the completesimulation files for each example on the book SPICE DEVICE ModelsTo the designer, the value of SIMULATION results is a direct function of the quality of the modelsused for the devices.

using a combination of characterization of the device-fabrication process and specific measurements performed on the actual manufactured devices. Semiconductor manufacturers expend enormous effort and money to extract the values of the model parameters for their devices. For discrete diodes, the values of the SPICE model parameters can be ...

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