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  1. Replies
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    @ xuantunt...

    @ xuantunt

    Turning a DIY product into a commercial product without permission?

    Your account is disabled now, you wont be able to join again.

    Thanks Silvio
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    You need to pay attention to those Ebay chips. ...

    You need to pay attention to those Ebay chips.

    But also you have to be aware that L6599A will NOT work if its not fully assembled, Trying to power it up from external power supply will be waste of...
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    I think that the design tip talking about two...

    I think that the design tip talking about two different ICs, L6599 & L6699 not L6599A or L6599

    and that makes huge sense when you are using different chip.

    Hope that helps.
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    Nice work as usual Silvio

    Nice work as usual Silvio
  5. Hello You can post your questions without any...

    Hello

    You can post your questions without any issues.

    You are welcomed.
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    @Res_SMPS I would appreciate your help if...

    @Res_SMPS


    I would appreciate your help if you can give me transformer turns ratio for +-22VDC output & the TL431 regulator resistors values, I am facing some challenges


    Thanks
  7. I had a 1200W version as attached, but its out of...

    I had a 1200W version as attached, but its out of production at the moment as I am very busy developing other projects.

    I dont recommend the chines option at all, the connex is your best choice...
  8. Sticky: Well done Silvio, Great work as usual Really...

    Well done Silvio, Great work as usual

    Really appreciated
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    Welcome back! long time..

    Welcome back! long time..
  10. Replies
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    Generating that number of output voltages with...

    Generating that number of output voltages with that PCB is a huge challenge.

    I also don't understand your idea behind the variable output voltages, i don't see a regulator.

    I think more work is...
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    Nice work indeed

    Nice work indeed
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    Thats one very good reason why you get 50-55C in...

    Thats one very good reason why you get 50-55C in idle.
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    @ Yoosef 10 Years ago with my first attempt to...

    @ Yoosef

    10 Years ago with my first attempt to build a SMPS, I built that circuit, and it worked fine, it was my first regulated SMPS.

    But I never completed a regulated SMPS, at least in the...
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    @ Alex Very nice and clean build. I...

    @ Alex


    Very nice and clean build.

    I wonder if you have that metal case custom built by some company?

    I am looking for a place to build me a few custom enclosures for my new stuff.

    Thanks
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    Fake parts are serious problem indeed, buying...

    Fake parts are serious problem indeed, buying from unknown seller over aliexpress will usually get you fake chips.

    You should only buy from trusted sellers.

    Good to hear that you have solved it.
  16. Smart idea!

    Smart idea!
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    Showing your schematic may help. I am working at...

    Showing your schematic may help. I am working at similar design
  18. Replies
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    Looks like the chip number is incorrect

    Looks like the chip number is incorrect
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    982

    Looks really nice

    Looks really nice
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    Regulated will give you better bass results for...

    Regulated will give you better bass results for sure
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    @Plasma, Looks very nice start. My 2KW...

    @Plasma,

    Looks very nice start.

    My 2KW class-d size 9.4CM x12CM, self oscillating delivering 130VRMS @ 4 Ohms running at 230VDC

    Hope that helps


    6747
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    It was based on UCC28019, you can just make it,...

    It was based on UCC28019, you can just make it, and it will work without issues.

    You need to find a suitable gate drive circuit for the Mosfet.

    Good luck
  23. @Zvir Please share some photos of your board,...

    @Zvir

    Please share some photos of your board, I am not sure if the part you have chosen is the correct one.

    Do you have the model number of that power supply?

    Or IC number?
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    @Carlos We will follow your instructions. ...

    @Carlos

    We will follow your instructions.

    You are welcome to sell your amplifiers here also.

    Good luck
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    Very nice Ordering information and prices?

    Very nice

    Ordering information and prices?
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