4answers

[PCB Design] 100ohm impedance 4-layer flexible PCB design

I want to design a ~30cm long 4-layer flexible PCB which requires 100ohm impedance match for the differential pairs. It seems like as the dielectric layer is very thin, it's hard to do that. Do you ha...
1answers
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[PCB Design] could need a Solution for AUDIO Signal Mixer/Coupler HIGH End with LM49710 or LME49720 without Noise and Distortion.

4 x Audio Signal inputs via RCA or XLR (balanced) on one Output (REAR) RCA or XLR.should have no Distortion (or absolute LOW)PCB can be 3 Layer Designno Input level control neededshould be possible to...
0answers

[PCB Design] PCB for a Portable Bluetooth Speaker Using the BT4840 Module

Design a PCB for a wireless stereo audio system. What are the critical considerations for integrating the BT4840 module into the PCB to ensure optimal audio performance and Bluetooth connectivity?Refe...
1answers

[PCB Design] How do I make a solder mask with Solidworks PCB?

I want to place an order but I use Solidworks PCB as my PCB creation software, and I cannot find a way to create the solder mask. Please see the attached screenshot. I searched the internet and no one...
1answers

[PCB Design] Design PCB + Assembly

"I want to design a complete PCB with all components for a project. The board should include:1. An ESP32 module,2. 3 channels for DS18B20 temperature sensors,3. A PZEM power meter.However, I'm unable ...
1answers

[PCB Design] Flex PCB Polyimide Coverlay Thickness Availability -- Need Stackup Help

Hello, I have seen my company ordered a flex PCB with 2.5mil coverlay, What other thicknesses are available for polyimide coverlay on flex PCBs?
2answers

[PCB Design] Square holes in PCB. (Or slightly curved edges.)

Hi, I'm drawing a pcb that has 2 small square holes in the middle.I have a few amateur questions about how I should draw them to avoid engineering issues later on.I was wondering if I should draw them...
1answers

[PCB Design] Stiffener Design Guidelines

We are thinking about using stiffeners on our next flex-pcb. What design guidelines do we need to follow? Should the stiffener always be an area or can we place other forms like rings, traces,...? Wha...
2answers

[PCB Design] In KiCad, How should I designate the flex areas of a rigid-flex board?

I have a rigid-flex design which consists of two rigid sections connected by one flex section. How do I convey to the fabricator which areas I want rigid and which areas I want flex?
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1 PCBWay Team 9
2 Peter de Vroomen 1
3 Engineer 1
4 gokul kb 1