ANorton source of 300mAin parallel with a 50- source resistor provides current to a load RL =

ANorton source of 300mAin parallel with a 50-Ω source resistor provides current to a load RL = 200 Ω. Your task is to design an interface so that 5 V10% are delivered to the load.

(a) Using the series resistor RS interface shown in Figure 3–59(b), select a 10% resistor from the inside back cover that will provide the desired voltage.

(b) Using the parallel resistor RP interface shown in Figure 3–59(c), select a 10% resistor from the inside back cover that will provide the desired voltage.

(c) Select the solution, series or parallel, that causes the source to provide the desired voltage while delivering the least power. Calculate the power in each case to defend your choice

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Source Interface circuit Load (b) (c) Examples of interface circuits R R (d)