Recent content by BOHDA

  1. BOHDA

    Oscilloscope on ATMega162 and LCD

      New interesting project at http://www.mindbend.ro/eoscope/eoscope_en.htm   A must to see one and a place for improvings!
  2. BOHDA

    Great Free Book -

    I try to download Rectifier Book from this page,but nothing comes!So I look for it with Google-here is the result  www.ieeta.pt/~alex/docs/ApplicationNotes/ Rectifier%20Applications%20Handbook.pdf .By same ONSEMI you can get SWITCHMODE Power Supply Reference Manual at...
  3. BOHDA

    Convert 0-30V 3A PSU to 5A or more

    Hello Ante I see last observations about zenner diodes and I have to put a question-In this case can not be used TL431? About the PCB-Is anyone who made a new PCB for PS?The old one is a little too big and can not support curents above 3A.
  4. BOHDA

    Convert 0-30V 3A PSU to 5A or more

    Hello I read all the question about PS. I have to point some things about this,as follows. To obtain more DC current you must use an power trafo,that means more than 150 w[better 200 or 250w]. The best way to reduce waste power at low voltage and great currents is to split the secondary on...
  5. BOHDA

    LC Metre

    Sorry about my previous reply.I make an txt,instead of simple message.So I rewrite the previous with some adnotations. I have buid the LC Meter.It works fine.I use the same hex that Kiriakos has mentioned.Also I use an 2x16 display because I did not have an 1x16[is HD44780 type]. All...
  6. BOHDA

    TV Signal Amplifier circuit

    I take a look to your question.The L1 and L2 are made on an 5mm spiral drill,with an 0.5 mm wire,and have each 8 turns.There is nothing strange here,just usual indications for coils.
  7. BOHDA

    LC Metre

    LC_METER.txt
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