pcb design

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    Need Help Deciphering Layout Specs

    I am making a board (111mm x 146mm, 4 layer) with a PZT3904 transistor. It has a heat sink pin and I am uncertain as to how much copper I have to put around that pin so it has adequate heat dissipation. The datasheet says I need the following for a maximum of 1 watt heat dissipation: Quote I...
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    Import PADS file .pcb (binay) into Altium or KiCAD

    Hello, I need to import a PADS .pcb file (binary) from Siemens into Altium or KiCAD. Do you have any idea? I don't have the full license of PADS layout. I know that Altium can import only from PADS ASCII PCB. The file I'm interested in is here...
  3. R

    How to use Vias in Altium Designer to design PCB?

    Hello everyone, I 'm now designing an adapter PCB using Altium Designer. I want to use some vias to reach the figure in picture 1, but now I always get it like in picture 2. I'm new to PCB design and also new to Altium Designer. I don't know why there is always the space around the vias like in...
  4. S

    PCB layout

    looking for a stereo tda7293/7294 pcb layout with speaker short circuit protection and no on/off noice.(only 2.0 channel layout is needed)
  5. Z

    How to Make a Good PCB - Design Problem

    Good day, all This is my first attempt at doing this. I want to try my hand at creating a consolidate PCB. Also I am using Eagle for this, again a first time user. My Goal: a single compact PCB with the Atmega32u4 & BNO080 connected together via I2C, an ICSP header for programming the 32u4, a...
  6. CD4026BE DIP CD4026 Fake or ???

    Just found this on alliexpress and I need more then 100 of them. They say it is original but to be honest doesnt look like that. Any of you can help me please. Thanks. Here is Link .
  7. D

    Need help identifying pcb wire terminations

    So I am switching out custom motor controllers for an ebike. But need help identifying the purpose of the wires indicated on the pcb. In the pics I have highlighted the appropriate acronyms with its wire color. As you can see right off the bat I have one problem. One controller has 6...
  8. Z

    ASKING FOR PCB LAYOUT SOFTWARE SHOULD

    Hello, I was thinking to try and do my own PCB layouts myself, and then generate the gerber files so I can give them to my PCB manufacturer. But I never used such a software and I would like to ask this forum which one I should use? It should allow me to design layouts from the smallest. To...
  9. What do you think about this 3D model of PCB?

    Thanks for everyone help me.;);););) Now my new project 3D model is done. I build it with my teacher, and this project takes me a month to do it. Hooo! Feel free to leave a comment. :angelic::angelic::angelic::angelic::angelic::angelic:
  10. PCB design The problem of wiring line width on the pad, can it be different?

    As you can see, the thickness of the power line, blue line and red line on the circular pad is different. Is this feasible? The line to the left of the right square pad and the line above it are also different in thickness. Is this OK? I heard that this situation will reflect under high...
  11. L

    DC/DC Converter Help

    To anyone who can help me, PLEASE!!!!! I have a circuit board I am working on that is to have 3 outputs... 12V at 1-2A, 6.8V at 1-2A, and 33V at a higher amp rating, about 3-4A... I have the designs attached below, and I have the board here. I have assembled 2 boards, and neither of them is...
  12. Minimum clearance

    Hello! I am using FCPF220N80 MOSfet for 400 Volts operation. it is rated for 800Volts. I have one doubts though, The clearance(distance) between the drain and source pins of the mosfet is only 2.5 mm. Will it be able to sustain without any damage...
  13. A

    Where to start PCB design!

    Hi everyone! I am new to PCB design. I design circuit manually but basic one now I want to do more serious circuit design using the simulator and design software. Please suggest me good beginning software and easy one so that I can understand and master it myself. Thanks!:)
  14. C

    Awesome PCB produced by JLCPCB

    I've recently started teaching a bunch of school kids about electronics basics. Get them interested while they're young. Since then I've designed a few simple circuits to show them and looked into getting them professionally made. I thought it would cost loads, but I looked into it and wouldn't...
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