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  1. Hello 6sn7! Where the schematics of the...

    Hello 6sn7!
    Where the schematics of the preamplifier with 6sn7?
    Having long been expecting!
    thank you!
  2. Replies
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    6,871

    Hi, How much all this cost? If you have a seed...

    Hi,
    How much all this cost?
    If you have a seed in the user preamplifier and amplifier give please share here.
    thank you
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    2,600

    Quard Led-LCD TV 32" contrast

    Hello all!
    I need help in Quard-Led LCD TV 32".
    I want to ask one question about this TV.
    What is the dynamic contrast in this TV, as the user writes his High dynamic contrast.
    I want to know...
  4. OK, give to display the schematic with 6sn7....

    OK, give to display the schematic with 6sn7.
    thanks
  5. Replies
    4
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    4,033

    Amplifier with TDA7294 will not work.

    Hello!
    Amplifie with TDA7294 r will not work!?
    This amp I designed for this schematics (Figure1-F).
    When you turn on the power symmetric Ucc=+/-37V itself humming. When you power supply it off...
  6. Replies
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    19,633

    Hello erhan739! If you can schematic for this...

    Hello erhan739!
    If you can schematic for this project,...
    thanks
  7. Thread: PWM controler

    by radio
    Replies
    1
    Views
    2,283

    PWM controler

    Hello all!
    I need a project or schematic for PWM controler of the DC- 12V/24V with output 30A.
    thanks and cheers
  8. Replies
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    21,670

    Hello Let's wait to see the 250...300VA DC/DC...

    Hello
    Let's wait to see the 250...300VA DC/DC converter?!
    Regards
  9. Replies
    23
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    23,957

    Hi MicrosiM! I want to create an SMPS for stereo...

    Hi MicrosiM!
    I want to create an SMPS for stereo amplifiers with LM3886/4oms or TDA7294 (2x35V/2x4A)?
    Here is of this example lorylacy SMPS?
    This power supply has short circuit protection on...
  10. Replies
    23
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    23,957

    In this forum there are plenty of topics of...

    In this forum there are plenty of topics of interest but little of visitors and answer some questions!?
    схеерс
  11. Replies
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    23,957

    Hi lorylaci! What about protection against short...

    Hi lorylaci!
    What about protection against short circuit at the output and the soft start??
    And if you let ... where is the image of the created SMPS ??!
    thanks and cheers !
  12. Replies
    22
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    21,670

    Hi JAKUB_G! I and many others expected to see...

    Hi JAKUB_G!
    I and many others expected to see the PCB pattern here!
    Interesting because project so please display the schematic and the PCB!
    A big thank you in advance!
    P.S.
    Made me what your...
  13. Thread: 300w smps

    by radio
    Replies
    30
    Views
    36,898

    When the SMPS is the only problem if it occurs a...

    When the SMPS is the only problem if it occurs a short circuit at the output, since there is no feedback?
    Mr. MicrosiM not if you have a better solution (project) SMPS give help!
    Thank you in...
  14. Replies
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    18,355

    Hello MicrosiM! Since you're a great expert in...

    Hello MicrosiM!
    Since you're a great expert in SMPS so please give more details about the development of the ferrite transformer TR1 fed (see schematic)??!
    What type and how winding enameled wire...
  15. Replies
    21
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    18,355

    Hi all!! The question of this topic was: Look up...

    Hi all!!
    The question of this topic was: Look up a topic you have drawn all the way in quite another direction??
    The right to tell you and I need this SMPS (project) for stereo amplifier with...
  16. Replies
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    9,413

    Hi SMPS for power supply for stereo amplifiers...

    Hi
    SMPS for power supply for stereo amplifiers with TDA7294. Mr. MicrosimM on other forums have told me to address you personally you are specialists percent of this power supply! So please give...
  17. Replies
    94
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    56,695

    Sticky: Hi MicrosiM I want to ask one question: Where...

    Hi MicrosiM
    I want to ask one question: Where can include AC-voltage protection with diode D10 to eat and have a schematic of power supply for this amplifier?
    thanks and cheers!
  18. Replies
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    71,768

    Sticky: Hi Mr. MicrosiM! Very interesting topic!;) I...

    Hi Mr. MicrosiM!
    Very interesting topic!;)
    I want to follow up Mr dineshkom and I want to create an SMPS for a stereo amplifier with TDA7294? So please do help to solve the problem. Believe this...
  19. Replies
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    11,950

    Jakub, and I add this question and more will not...

    Jakub, and I add this question and more will not bother!
    Is this amplifier can be processed with the output MOSFETs IRFP240/IRFP9240?
    Thanks and cheers
  20. Replies
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    11,950

    Hi JAKUB_G! Jacub, amplifier is very good! I...

    Hi JAKUB_G!
    Jacub, amplifier is very good!
    I want to ask a few questions:
    I have the power supply UCC = + / -36Vdc/400W. Can I use this power supply for the amplifier or your need some changes?...
  21. Replies
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    56,695

    Sticky: Hi MicrosiM ! I have a transformer with a...

    Hi MicrosiM !
    I have a transformer with a 300W/2x27ac - DC-power supply 2x36Vdc!
    What should I change on this amplifier to operate at this voltage symmetrical?
    Or tell if you are able to another...
  22. Hi Jakub_G ! Good tone control! Upper limit as...

    Hi Jakub_G !
    Good tone control!
    Upper limit as it will go bass frequencies concealer?
    There are some measurements?!
    thanks
  23. Thread: 300w smps

    by radio
    Replies
    30
    Views
    36,898

    The winding is 1:4 (Prim. 1 turn for 1Volt/Sec. 4...

    The winding is 1:4 (Prim. 1 turn for 1Volt/Sec. 4 turn,s for1Volt) and the Wire diameter and the Transformer need to bi chosen for the Amperes tad gos throe them.

    Hi Danspy !
    Please be precise...
  24. Thread: 300w smps

    by radio
    Replies
    30
    Views
    36,898

    Hi all! Transformer shall be ferrite cores with...

    Hi all!
    Transformer shall be ferrite cores with a cross section of 100 .. 140mm2.
    Primary: 2x20 thread with lacquered copper wire cross section 0.6 mm2 - double.
    Secondary: 2x10 threading with...
  25. Replies
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    9,413

    I apologize if I offended anyone! thanks and...

    I apologize if I offended anyone!
    thanks and cheers
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