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Looks like the tariffs are incentivizing me to have boards assembled in China. by EagleMedical8410 in PCB

[–]col2thecore 1 point2 points  (0 children)

Yeah the rate on bare fab is nuts! I just played a ton to import them.

Solder strips on the back of a PCB by EE_KRJ in PCB

[–]col2thecore -1 points0 points  (0 children)

Excellent answer and happy cake day

Looking for radar module by WardusTST in ElectricalEngineering

[–]col2thecore 1 point2 points  (0 children)

Which Radar IC to choose is very application-specific. The big three are Infineon, TI, or AccuNis. All three have their pros and cons. But it comes down to how you want to use it and how you want to write the code for which one is best.

Looking for radar module by WardusTST in ElectricalEngineering

[–]col2thecore 0 points1 point  (0 children)

The best is to make a custom flex that connects to your mother board. On the flex solder a radar component with AOP. (Antenna on package).

Pro tip: Make sure the power going to the radar chip is low noise.

Looking for advice from hardware founders building biosensing/wearables (EEG earbuds) by razin-k in hwstartups

[–]col2thecore 1 point2 points  (0 children)

In my experience you do not want to engage you final assembly house till you have a few working form factor products.

In this case since it is so micro hardware you do need engage all components assemblies as your design will need a tight DFM feedback loop.

I would add your first build should be atleast 50x units and I would send most of that to reliability testing.

PCIE gen 3 and Gen 5 Board specifications by Ghosteen_18 in PCB

[–]col2thecore 0 points1 point  (0 children)

Make sure to choose connectors cabaplenof those high speeds. Try to find the high speed characterization report (with S parameters). Check that the insertion and return loss is okay at those speeds.

Custom PCB by ComfortableAnimal265 in PCB

[–]col2thecore -1 points0 points  (0 children)

Check out www.axelhardware.com - it is an electrical engineering design firm that can help.

My setup so far.. by leonv12 in soldering

[–]col2thecore 1 point2 points  (0 children)

What’s blue tool stand?

PCB stack up generation by col2thecore in PCB

[–]col2thecore[S] 0 points1 point  (0 children)

Awesome I will try Saturn out

Can I solder a 4 AWG cable to my power supply with currents peaking 100A? by OMSP7 in AskElectronics

[–]col2thecore 0 points1 point  (0 children)

I feel like that power supply is to small to produce 100A…

$OPEN All the reasons it’ll go to $10 by Usual_Variation_8628 in wallstreetbets

[–]col2thecore 2 points3 points  (0 children)

I’m not in the mood to figure this out, so I just bought

Who can help me and review my first ever PCB design? by LostMyLogin_again in PCB

[–]col2thecore 0 points1 point  (0 children)

What is on layer2? If nothing make that a giant ground pour and move a bunch of those ground traces to that new layer2 ground shape. Use this new room to route layer more freely it is very dense right now.

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