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Need help to design the power circuit of SMPS with feedback

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Marwa174

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Hi,
I am required to design the power circuit of switched mode power supply with feedback
its characteristic:
high efficiency , low level of noise
this power supply will use with doppler device
can you help me to get this power supply circuit
 

What input? what output ? how high efficiency? what level of noise? your question is too open ended ...
 

You suggest low level of noise.....so make sure you do good pcb layout, as in the attached
 

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  • Basics of SMPS Layout _4.doc
    645.5 KB · Views: 72

Which specific smps are you interested in? You need to give all necessary information to get guidance.
 
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