File: 9-40E3

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9-40E3 D
 What is the configuration for a mains operated switching power supply with output regulation?
A. Input rectifier and filter, Inverter (chopper), output transformer, feedback loop to a chopper controller and inverter and output rectifier and filter to DC output.
B. Line, Inverter (chopper), input rectifier and filter, output transformer, output rectifier and filter to DC output.
C. Input rectifier and filter, output transformer, output rectifier and filter to DC output with feedback loop to the input followed by the chopper controller.
D. Input rectifier and filter, Inverter (chopper), output transformer, output rectifier and filter to DC output with feedback loop to a chopper controller and the inverter.