questions for the smps power supply

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Hi all
I am going to make smps power amplifier
By the way, design smps power for the first time .
So, is finding data .
Have circuit diagram of some smps power amplifier
But, do not have transformer spec
I need. Design method and transformer spec .

Best regards

pcku
 
Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.