Electronics Forum: crystals (Page 8 of 23)

240v - 110v

Electronics Forum | Fri Apr 28 21:37:54 EDT 2006 | chrisgriffin

Check the resistors on the circuit board. It is also very likely that you have blown the crystals in the transducers. How big is the unit? What is the frequency of the unit(transducers). These can be tricky to troubleshoot, but replacement transdu

The Most Difficult BGA Rework EVER!!

Electronics Forum | Wed Nov 08 22:43:17 EST 2006 | davef

Process Sciences; 10960 E Crystal Falls Pkwy, Suite 400, Leander, TX 78641; 512-259-7070 F512-259-7073 process-sciences.com

Phosphorus Crystal Formation

Electronics Forum | Tue Nov 14 05:16:33 EST 2006 | pavel_murtishev

Good afternoon, Yes, it is to be expected. This is well known �black pad� issue. Google �black pad�, for example: http://doc.tms.org/ezMerchant/prodtms.nsf/ProductLookupItemID/JEM-0109-1262/$FILE/JEM-0109-1262F.pdf?OpenElement BR, Pavel

How to take care of crystal

Electronics Forum | Mon Aug 27 07:57:38 EDT 2007 | davef

Most suppliers provide guidance on proper assembly technique, like: http://global.kyocera.com/prdct/electro/pdf/add_pdf/111_119_e.pdf We have no relationship, nor receive benefit from the company referenced above.

Reflow Profiling Question

Electronics Forum | Wed Dec 26 17:40:58 EST 2007 | mobytahoe

Hey Andy, Thought you were buying a line? Do some homework, bro. This is manufacturing...not building a crystal set to listen to a.m. radio...

Techspray Licron Crystal

Electronics Forum | Mon Oct 26 16:28:31 EDT 2009 | operator

Has anyone used this spray? For what application? How durable is it? Was thinking about using it on sheet metal. Thanks, B

Techspray Licron Crystal

Electronics Forum | Wed Oct 28 07:07:40 EDT 2009 | davef

Never used it, but it looks interesting. Since it's clear, over time, how do you tell that it's still there and dissipating charge?

solder question on crystal in DFN style package

Electronics Forum | Mon Apr 05 21:46:12 EDT 2010 | isd_jwendell

I have been using this series with AIM SnPb no-clean paste without problems.

solder question on crystal in DFN style package

Electronics Forum | Mon Apr 05 22:52:40 EDT 2010 | davef

Sounds like you're not getting the solder connection hot enough. Talk about: * Temperature of the solder on the connection * Solder alloy * Board solderability protection * Component solderability protection

PTH crystal is malfunction when humidity is up to 90%

Electronics Forum | Tue Jul 06 08:48:11 EDT 2010 | Sean

Hi all, Is anyone used to encounter PTH(plated through hole) crystal component(Not SMT component) become malfunction when the environment humidity is more than 90%? It is happening here...It is very weird that crystal become OK when humidity is bac


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