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Ask an XPert -- Questions for the Power Supply Experts

ksmith

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Kent Smith

Applicaitons Engineer

XP Power

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  • I have to design a power supply for a system compose for: 1) Control stage ( 5VDC @ 1A, 3.3VDC @ 500mA) ; 2) Audio stage (+/- 16VDC @ 3A); 3)Power Stage (12VDC @ 2A). I want to use a 24VAC CT Transformer (AC INPUT 115VAC) for generate all the supplies, the ac line feed to ac motor (1/2 HP) that is controlled via contactor for the power stage. In early design this system have a lot of troubles for noise, my question is: what type of noise filtering is best suite for this system.

     

    Francisco

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  • I have to design a power supply for a system compose for: 1) Control stage ( 5VDC @ 1A, 3.3VDC @ 500mA) ; 2) Audio stage (+/- 16VDC @ 3A); 3)Power Stage (12VDC @ 2A). I want to use a 24VAC CT Transformer (AC INPUT 115VAC) for generate all the supplies, the ac line feed to ac motor (1/2 HP) that is controlled via contactor for the power stage. In early design this system have a lot of troubles for noise, my question is: what type of noise filtering is best suite for this system.

     

    Francisco

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