REET 420 WEEK 1 HOMEWORK / POWER ELECTRONICS AND ALTERNATIVE ENERGY APPLICATIONS WITH LAB
REET 420 Week 1 Homework Answers (DeVry)
1. Calculate the input difference in potential (eNI − eINV) for an op amp amplifier with an output voltage of 10 V and an open loop gain of
2. Locate specifications for the LM741 and the LF411 (National Semiconductor). For each determine the worst case
3. Assuming β = 0.05, and AOL = 2000, calculate the closed loop gain using the approximation.
1. Calculate the duty cycle needed in a buck converter with an input of 12 Vdc and a 5 Vdcoutput.
2. What output is produced from a buck converter with a 67% duty cycle and an input of 18 Vdc?
5. Calculate the duty cycle needed in a boost converter with an input of 5 Vdc and a 12 Vdcoutput.
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