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In a voltage mode-controlled DC-DC converter the loop transfer function has the crossover frequency Ic angle of -160 at the crossover frequency. Calculate wz and wp in the voltage controller transfer function of Equation: 1. fe 2 kHz. The power stage transfer function has a phase Gels ke (Is/u2) s (1+s/up if the required phase margin is 60. (20 pts)

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gl- 90+60+160 : 6130

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