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Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by Hong Bin

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    Merry Christmas Everybody

    Today, december 25th, everybody get a second Chance,Merry Christmas!
  2. H

    layout limits?

    Hi, Different PCB company have different Capabilities, larger is better. usually track to edage of the board (outline) 10mil at least, if the clearance is not enough, the copper will be exposed, or cut the track to meet 10mil. Vias to outline 16mil. Hong bin
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    Component Purchase

    Hi TotalMadness, Diode: 1N34 or 1N34a Germanium: 1)Manufacturer: MICROSEMI; Manufacturer Part Number: 1N34A;CASE:DO-7; Reverse Voltage: 65V;Forward Current:50mA;Operating Temperature Range:-55°C to +75°C; 2) Manufacturer: NTE;Manufacturer Part Number:1N34A;CASE:DO-7; Reverse...
  4. H

    How much for a sq. Meter of PCB?

    Hi Nickelflippr, NO, I think it is not good for you to place an order on their website, no mention for the quality, no mention for Rock solid delivery dates, although there is a Competitive pricing. if you checked carefully there aslo are some website problems, you see that? Usually they...
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    How much for a sq. Meter of PCB?

    Hi Nickelflippr, Yes, Aluminum boards are expensive than FR4, if 0.7W max of heat,then FR4 should be ok, but it seems the diameter of each pcb is small, the boards should be done by panel. Like I said, the pricing changes for the board size and the quantity your order and something else...
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    How much for a sq. Meter of PCB?

    Hi Nickelflippr a sq.Meter? it seems too large, the pricing changes for the size of the board, larger is more expensive, for Led pcb Aluminium PCB is better, it is good thermal conductivity. Regards, Hong Bin
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    large seven segment PCBs

    Hi Eddie, Which design software you use? eagle or protel or autocad or altium designer or Orcad or something esle, you can try to convert the artwork to gerber file. don't forget to output a Excellon drill file and aslo output a tool list, Plated and non-plated holes included... Regards...
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    Visit our dedicated chat forum!

    looks good
  9. H

    I'm baaaack..

    Hi Vizier87 welcome back, I know little Photonics, because my major is Optical Information Science and Technology in school, I do a project low power Solid state Laser during school time. Cheers Hong Bin
  10. H

    Real new guy here! Need some help with simple LED circuits.

    Hi, this is a great idea.May you succeed.

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