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China mobile phone charger circuit

Noah

Jul 19, 2016
3
Joined
Jul 19, 2016
Messages
3
please I need help on how this circuit work to generate the oscillations for the smps. what is the function of each component?
Note: The rectification and output parts have been omitted
 

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(*steve*)

¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd
Moderator
Jan 21, 2010
25,510
Joined
Jan 21, 2010
Messages
25,510
It looks like a blocking oscillator with some fancy protection for the be junction of the transistor.
 
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