REET 420 WEEK 3 HOMEWORK / POWER ELECTRONICS AND ALTERNATIVE ENERGY APPLICATIONS WITH LAB
REET 420 Week 3 Homework Answers (DeVry)
1. For the circuit in Figure 4-25, calculate the dc and rms values of each of the four indicated voltages.
5. An OPA548 is powered from ±28 V, and is driving a 20 Ω resistive load. For a dc input signal, calculate the following at the maximum load power: Pload, Psupply, PIC.
9. For the following conditions, determine the OPA548’s junction temperature:
16. An audio amplifier is capable of outputting 24 Vp. How much music power can be delivered to an 8 Ω loudspeaker without distorting the sound?
17. To deliver 10 W to a 4 Ω loudspeaker, how much gain must the audio amplifier have if it is to be driven from a typical consumer electronics signal?
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