Category:PCB PCB Design Rules

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Initially PCBs were designed manually by creating a photomask on a clear mylar sheet, usually at two or four times the true size. Starting from the schematic diagram the component pin pads were laid out on the mylar and then traces were routed to connect the pads. If you have many questions of PCB Design, please come here!

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2 comments
762 views

The difference between high voltage and high current PCB tracing?

What is the difference between PCB traces for carrying high voltage in comparison to traces carrying high current? Would there be any difference in how they are drawn? I'd preferably have an answer th...(view more)

George Blat
2016/11/5 12:39:24
3 comments
731 views

High Quality Free PCB Software

I would like to introduce Cadsoft Eagle to you, which is a free program for designing that can output files most PCB manufacturers can use to print your boards. If you are actually designing a comput...(view more)

Spyros
2016/11/5 11:13:13
2 comments
724 views

I want to design a 8 layer pcb

I want a 8 layer buried hole pcb 3-6,2-7 is workable?(view more)

Livio
2016/10/13 8:21:10
3 comments
802 views

The way of covering up exposed high voltage pcb traces

The thick lines of my PCB should be able to pass a high voltage signal through it. The board will be kept inside a enclosed box. I think my boar5d is relatively safe. However, there is still a questi...(view more)

Thomas Lithen
2016/10/1 14:55:30
3 comments
1579 views

For a 4 layers PCB, is it necessary to cover with ground polygon on Layer 1&4 necessary?

I will cover all the empty spaces in the layout with Ground in simple single or doubled layer PCB. The stackup of my 4 layers PCB is as fllowing: Layer 1: top signal Layer 2: Ground plane Layer 3: ...(view more)

Daniel Gilbert
2016/9/29 14:37:52
1 comments
796 views

Would you like to offer me your PCB design?

I'm not very skilled at designing PCBs,so I want to know if anyone would like to give me a design,helping me make some boards.(view more)

Daniel Gilbert
2016/9/25 13:00:11
2 comments
738 views

The PCB tool for 50 ohm transmission lines, does it exist?

Is there any tool to help with 50 ohm transmission lines? What is the way to draw a spiral track in the pcb artwork?(view more)

Bartosz Orzechowski
2016/9/23 23:16:37
2 comments
743 views

Is there a way to make via stitching before copper fill without problem?

I need via's to connect ground planes across different layers. But I have problems in doing so with the right order.(view more)

javier mainar val
2016/9/21 19:33:29
3 comments
815 views

How to work correctly with GND and PWRGND?

There is a circuit of me with a couple of bucket converters. The bucket converters are either standalone or getting a PWM signal from a processor and give a feedback to the processor. As far as I kn...(view more)

Charlie Laub
2016/9/21 8:53:29
3 comments
735 views

Decoupling caps and PCB layout

When it comes to the finer details of pcb layout. Here is a example of a recent board of mine, and I have highlighted three of the decoupling caps. The MCU is a LQFP100 package and the caps are ...(view more)

sakchaisiri
2016/9/20 20:10:04

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