Description

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In the following problems, if not stated,
For silicon pn junctions: 𝐷𝑛=25𝑐𝑚2/𝑠,𝐷𝑝=10 𝑐𝑚2/𝑠,𝜏𝑛0=5×10−7𝑠,𝜏𝑝0=10−7𝑠.
For GaAs pn junctions: 𝐷𝑛=205 𝑐𝑚2/𝑠,𝐷𝑝=9.8 𝑐𝑚2/𝑠,𝜏𝑛0=5×10−8𝑠,𝜏𝑝0=10−8𝑠.
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