For the circuit in Fig. 12.34(b): (a) If vA is a sine wave, what is the maximum power

Chapter 12, Problem 12.63

(choose chapter or problem)

For the circuit in Fig. 12.34(b): (a) If vA is a sine wave, what is the maximum power supplied to a load of resistance R, in terms of VDD? (b) The power loss is mostly due to the repeated charging and discharging of a capacitance C across the load. It can be shown that this switching power is given by 4fsC V2 DD. Find an expression for the power-conversion efficiency and evaluate the value of for the case fs = 250 kHz and C = 1000 pF

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