Refer to Problem 9.38 and assume a load voltage waveform as shown in Figure P9.40. Also assume:

|io|avg = 60 mA |vo|avg = 5 V |Vripple| = 5%

vline = 170 cos(?t) V ? = 377 rad/s



Determine:



a. The turns ratio n.

b. The capacitor C.



Problem 9.38



In the full-wave power supply shown in Figure P9.38 the silicon diodes are 1N4001 with a rated peak reverse voltage of 25 V.



n = 0.05883

C = 80 ?F Ro = 1 k?



vline = 170 cos(377t) V



a. Determine the actual peak reverse voltage across each diode.

b. Explain why these diodes are or are not suitable for the specifications given.




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