Community College of Baltimore County Diodes and BJT Quiz

Question Description

1. Compare the forward-biased current-voltage characteristic of a Schottky barrier diode to that of a pn junction diode. (Make sure to discuss any similarities and differences.)

a. Which diode would you use if you wanted better conduction? Explain.

2. Describe the physical mechanism of base-width modulation and its effect on the current-voltage characteristics of the transistor.

a. Describe how the BJT’s I-V curves change when base-width modulation is present.

3. What equation can be used to describe the current-voltage characteristics of the base-emitter junction of the BJT in the forward active mode of operation? Explain why.

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