Electronics Projects Index

After transitioning to WordPress, I started writing up my newer projects as ‘blog posts’ rather than ‘pages’. Please find below a list of links to every electronics project related blog post:

Comments (7)

  1. Nice post!
    Several questions though…

    Could you guide me to scale the circuit to 0-120V at 5A for the output from 12V input?
    The voltage isn’t too critical, but the current is.

    Also, how did you make such nice PCB? Especially the silkscreen.

    Thanks for your time!

  2. admin says:

    I didn’t design the circuit, it came from tubehobby.com, so I’m not all that sure about modifying it. 5A is a lot of current and this is a low-current supply, so my guess is that it’d be difficult to scale it in that manner. The PCB was designed using Eagle and then fabbed by batchpcb.com — the prices at batchpcb are pretty good, but it can take several weeks to get completed boards. They always include silkscreen and solder mask.

  3. Wow, thanks for the super quick reply!
    Yeah, that tons of amps on 12v supply…
    Thanks for the info regarding the pcb.

  4. Tobias says:

    Scott! I finally assembled my nixie psu board, totally based on your work. Ive took some readings and would like to share with you. Maybe you can help me improving the efficiency on my board. I did not have components with the same values as yours and I just used what I had. Got 28kHz no load working frequency and 60% efficiency with 6mA load. I have the scope shots available at http://tobiasmugge.wordpress.com/projetos/nixie-psu/

    Great work you are doing! Just saw the new amplifier you built.. amazing!

  5. Hello
    I am interested in using the TL949 chip as im designing a tube footpedal for guitars but need to keep switching noise very low as there is a lot of gain in the pedal design used for guitar distortion etc etc. I have used other small nixie tube supplys and whilst they do work they are noisey! Do you know what the noise levels are likely to be at around 200v region… 5mv, 10mv etc etc
    Many thanks and sorry for the long winded question.


  6. Sahala says:

    Awesome website yours, i wish to change my PCB components to be your above. My power supply working in 220Vac to 24Vdc, 12Vdc and 5Vdc. what time Chips can i use to change some of my power supply component. If you have some schematice please let me show it. i do appreciated to you. thank

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