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Arm and pentium's two channel can have 4 dram module? how much module can be extended?
I try to make ram drive. so I think using current system is cheapest way.
I search about ARM core they have 2 channel ram ... Can I extend 2 channel to more than 4 ram module?
and how about pentium? ( I...
Why welding or big power supply don't use mosfet or IGBT at first place?
I know now. I can use small transformer if hertz is higher ..
But why they don't use switching chip at just in front of AC input?
I think It save a lot space and electricity.
and If so . Can I make palm size 10kw ac-dc...
If I pack with battery and charger as sealed package. I think I don't need transformer right? :)
and I'm still don't understand why transformer less design don't isolate 220 volt... out put is my aim voltage right? how can people touch out side as 220 voltage
any reference?
thank you :)...
Oh thank you ...
but I need tiny converter.
So my plan is first transformer less AC-DC 24 volt circuit. and then Texas instrument 30A chip .
so I think I may not cause killing :) Am I right? :) hohoho
out put current about 30A. 3.7 voltage I try to make EV balance charger.
Thanks...
and...
how can I 220 v ac to 14or 25 dc without transformer?
I'm very new to this area. there is many chip dc-dc and 25 to 0-6 volt down converter.
but why there is no 220 v to 25 volt chip?? I don't understand...
Should I must use transformer??
I want very tiny converter. I want not using...
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