Consider the diode circuit shown below. The diode, D, obeys the current-voltage

characteristic $I_{D}=I_{S}\left ( exp\left ( \frac{V_{D}}{nV_{T}} \right )-1 \right )$, where $n> 1, V_{T}> 0, V_{D}$ is the voltage

across the diode and $I_{D}$ is the current through it. The circuit is biased so that

voltage, $V> 0$ and current, $I<0$. If you had to design this circuit to transfer

maximum power from the current source $\left ( I_{1} \right )$ to a resistive load (not shown) at the

output, what values of $R_{1}\:and\:R_{2}$ would you choose?

1. $\text{Large}$ $R_{1}$ and $\text{large}$ $R_{2}$.
2. $\text{Small}$ $R_{1}$ and $\text{small}$ $R_{2}$.
3. $\text{Large}$ $R_{1}$ and $\text{small}$ $R_{2}$.
4. $\text{Small}$ $R_{1}$ and $\text{large}$ $R_{2}$.
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