Electronics Forum: 2layer 2layer 2layer (Page 1 of 5)

CAF

Electronics Forum | Mon Sep 11 08:03:48 EDT 2006 | davef

We expect that CAF can form on a 2-layer as easily as a 4 layer board.

PCB ESD protection

Electronics Forum | Tue Mar 18 01:18:15 EST 2003 | ereznahoum

Hi, I have to protect A small 3v battery power circuit with 2 layer PCB in plastic box against �Air ESD�. What is the best PCB layout for this purpose.

CAF

Electronics Forum | Thu Sep 07 18:25:36 EDT 2006 | GS

If I am not wrong, by reading so huge amountof infos, it seams that CAF test is justified (suggested) if the PCB has at least 4 layers. Correct? What about in case of a need to perform a CAF test ona 2 layers PCB ? Thank you Best reagrd.....GS

Mixing 2 and 4 layer designs on a single panel

Electronics Forum | Tue Sep 07 11:17:43 EDT 2010 | ysutariya

The only issue is that now you are paying for a 4 layer board and only getting a 2 layer board. In the long run, it will definitely cost you if this is a higher running product. Other than that you shouldn't have any issues.

obtain XY data from solder pad gerber drawing????

Electronics Forum | Mon Apr 11 00:05:54 EDT 2011 | vinitverma

PROCAM is intended to extract Centroid from the raw Gerber only. You just need to have 2 layers (paste or mask layer - to identify pads, and silk layer - for reference designators). Centroid is the output of PROCAM.

Starting point 7 zone oven profile for lead free - 2 layer simple board, but high mass electrolytics

Electronics Forum | Fri Apr 18 11:05:47 EDT 2014 | horchak

First things first. Check the manufactures specs on the electrolytic caps as they may not be able to handle the lead free temps.

Starting point 7 zone oven profile for lead free - 2 layer simple board, but high mass electrolytics

Electronics Forum | Thu Apr 24 12:18:01 EDT 2014 | cyber_wolf

You must thermally profile your circuit boards with a data-logger and thermocouples. Just putting in oven set points and looking at solder joints is not enough. Reference IPC-7530

pcb manufacturing

Electronics Forum | Fri Jan 08 03:20:49 EST 2016 | a290668789

hi, hope I'm not too late for your attention. suggest you http://www.pcbgogo.com/b, just 12usd, 2-3days for 2layer PCB prototype and the quality is amazing (ISO9001:2008 Certificate).

pcb manufacturing

Electronics Forum | Fri Apr 28 05:00:33 EDT 2017 | youth

I tried a PCB prototype service previously called Wellpcb and was happy with the cost and lead time. From their website online PCB calculator, manufacturing 10pieces of 100 × 60mm 2 − layer PCB will cost you around $27USD.

RoHS PCB Questions

Electronics Forum | Mon Nov 19 19:14:07 EST 2007 | jmelson

I've been running 90% lead-free (still have a couple components I can't get reliably in RoHS compliance) with a peak temp of about 238 C, on standard FR-4 boards. The only real problem is the pad adherence is compromised, making rework of the boards

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