This chapter is concerned with the study of diodes. In order to understand the essence of
the diode function, we begin with a fictitious element, the ideal diode. We then introduce the
silicon junction diode, explain its terminal characteristics, and provide techniques for the
analysis of diode circuits. The latter task involves the important subject of device modeling.
Our study of modeling the diode characteristics will lay the foundation for our study of modeling transistor operation in the next two chapters.
Of the many applications of diodes, their use in the design of rectifiers (which convert ac
to dc) is the most common. Therefore we shall study rectifier circuits in some detail and
briefly look at a number of other diode applications. Further nonlinear circuits that utilize
diodes and other devices will be found throughout the book, but particularly in Chapter 17.
The junction diode is nothing more than the pn junction we studied in Chapter 3, and
most of this chapter is concerned with the study of silicon pn-junction diodes. In the last section, however, we briefly consider some specialized diode types, including the photodiode
and the light-emitting diode.
This chapter is concerned with the study of diodes. In order to understand the essence ofthe diode function, we begin with a fictitious element, the ideal diode. We then introduce thesilicon junction diode, explain its terminal characteristics, and provide techniques for theanalysis of diode circuits. The latter task involves the important subject of device modeling.Our study of modeling the diode characteristics will lay the foundation for our study of modeling transistor operation in the next two chapters.Of the many applications of diodes, their use in the design of rectifiers (which convert acto dc) is the most common. Therefore we shall study rectifier circuits in some detail andbriefly look at a number of other diode applications. Further nonlinear circuits that utilizediodes and other devices will be found throughout the book, but particularly in Chapter 17.The junction diode is nothing more than the pn junction we studied in Chapter 3, andmost of this chapter is concerned with the study of silicon pn-junction diodes. In the last section, however, we briefly consider some specialized diode types, including the photodiodeand the light-emitting diode.
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