10 Questions
What is the direction of the electric field in the depletion region of a pn junction?
From the n region to the p region
What is the primary function of the built-in potential barrier in a pn junction?
To maintain thermal equilibrium and hold back majority carrier electrons and holes
What happens to the potential barrier in a pn junction when a reverse-biased voltage is applied?
It increases
What is the term for the change in charge with voltage in a pn junction?
Junction capacitance
What is the characteristic of the space charge region in a pn junction?
It is depleted of mobile electrons and holes
What is the primary condition for avalanche breakdown to occur in a pn junction?
A sufficiently large reverse-biased voltage is applied
What is the primary factor that determines the breakdown voltage in a one-sided pn junction?
Doping concentration in the low-doped region
What type of doping profile is used to obtain specific capacitance characteristics in a pn junction?
Nonuniformly doped junction
What is the characteristic of a hyperabrupt junction?
Doping decreases away from the metallurgical junction
What type of diodes are hyperabrupt junctions advantageous in?
Varactor diodes
Test your knowledge on avalanche breakdown in pn junctions and the effects of doping concentrations. Explore topics such as breakdown voltage, one-sided pn junctions, and linearly graded junctions.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
