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HP-48 FRAM Cards
08-19-2016, 12:20 AM
Post: #41
RE: HP-48 FRAM Cards
(08-19-2016 12:06 AM)JDW Wrote:  Seriously, from day one I was concerned about that FRAM card design (even the SRAM cards from that same seller) simply due to "static discharge." As you know, all the old HP and third party cards were made very well in that they were completely covered. Not only did that protect the expensive circuitry from death-by-static, but it also covered the PCB so your eyes are never distracted!

I can think of two possible solutions to the ESD issue.
1. Conformal coat the board. UR and AR conformal coating is available in spray cans. Don't forget to mask all the pertinant electrical connections first. Smile
2. If spraying the board isn't your thing, you can apply Kapton tape.

Dave
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Messages In This Thread
HP-48 FRAM Cards - JDW - 07-16-2016, 02:59 AM
RE: HP-48 FRAM Cards - Dave Frederickson - 07-16-2016, 04:15 AM
RE: HP-48 FRAM Cards - JDW - 07-16-2016, 04:21 AM
RE: HP-48 FRAM Cards - matthiaspaul - 07-16-2016, 04:39 PM
RE: HP-48 FRAM Cards - Dave Frederickson - 07-16-2016, 09:18 PM
RE: HP-48 FRAM Cards - Michael Lopez - 07-16-2016, 07:07 AM
RE: HP-48 FRAM Cards - cruff - 07-16-2016, 12:20 PM
RE: HP-48 FRAM Cards - JDW - 07-16-2016, 12:24 PM
RE: HP-48 FRAM Cards - JDW - 07-17-2016, 09:23 AM
RE: HP-48 FRAM Cards - snrowe - 07-23-2016, 12:03 AM
RE: HP-48 FRAM Cards - JDW - 07-23-2016, 12:19 AM
RE: HP-48 FRAM Cards - snrowe - 07-23-2016, 12:51 AM
RE: HP-48 FRAM Cards - JDW - 07-23-2016, 12:58 AM
RE: HP-48 FRAM Cards - snrowe - 07-23-2016, 01:04 AM
RE: HP-48 FRAM Cards - Dave Frederickson - 07-23-2016, 01:40 AM
RE: HP-48 FRAM Cards - snrowe - 07-23-2016, 02:37 AM
RE: HP-48 FRAM Cards - Sylvain Cote - 07-23-2016, 02:45 AM
RE: HP-48 FRAM Cards - matthiaspaul - 07-23-2016, 05:10 PM
RE: HP-48 FRAM Cards - JDW - 07-23-2016, 10:56 PM
RE: HP-48 FRAM Cards - matthiaspaul - 07-24-2016, 02:28 AM
RE: HP-48 FRAM Cards - Dave Frederickson - 07-24-2016, 04:29 PM
RE: HP-48 FRAM Cards - matthiaspaul - 07-24-2016, 06:52 PM
RE: HP-48 FRAM Cards - Dave Frederickson - 07-23-2016, 12:46 AM
RE: HP-48 FRAM Cards - snrowe - 07-23-2016, 01:00 AM
RE: HP-48 FRAM Cards - Dave Frederickson - 07-23-2016, 01:22 AM
RE: HP-48 FRAM Cards - snrowe - 07-23-2016, 01:35 AM
RE: HP-48 FRAM Cards - JDW - 07-23-2016, 02:01 AM
RE: HP-48 FRAM Cards - JDW - 07-23-2016, 02:57 AM
RE: HP-48 FRAM Cards - snrowe - 07-23-2016, 03:14 AM
RE: HP-48 FRAM Cards - JDW - 07-23-2016, 03:50 AM
RE: HP-48 FRAM Cards - Dave Frederickson - 07-23-2016, 03:53 AM
RE: HP-48 FRAM Cards - JDW - 08-10-2016, 01:54 PM
RE: HP-48 FRAM Cards - matthiaspaul - 08-17-2016, 09:38 AM
RE: HP-48 FRAM Cards - JDW - 08-16-2016, 01:56 AM
RE: HP-48 FRAM Cards - matthiaspaul - 08-18-2016, 09:56 AM
RE: HP-48 FRAM Cards - JDW - 08-19-2016, 12:06 AM
RE: HP-48 FRAM Cards - Dave Frederickson - 08-19-2016 12:20 AM
RE: HP-48 FRAM Cards - JDW - 08-19-2016, 12:32 AM
RE: HP-48 FRAM Cards - Dave Frederickson - 08-19-2016, 02:15 AM
RE: HP-48 FRAM Cards - matthiaspaul - 08-20-2016, 11:52 AM
RE: HP-48 FRAM Cards - Ron Ross - 08-16-2016, 01:04 PM
RE: HP-48 FRAM Cards - JDW - 08-16-2016, 01:27 PM
RE: HP-48 FRAM Cards - Ron Ross - 08-16-2016, 04:14 PM
RE: HP-48 FRAM Cards - JDW - 08-16-2016, 11:43 PM
RE: HP-48 FRAM Cards - JDW - 08-19-2016, 02:21 AM
RE: HP-48 FRAM Cards - JDW - 08-21-2016, 11:44 PM
RE: HP-48 FRAM Cards - Han - 08-22-2016, 04:10 PM
RE: HP-48 FRAM Cards - matthiaspaul - 08-22-2016, 07:32 PM
RE: HP-48 FRAM Cards - gege - 08-25-2016, 03:19 PM
RE: HP-48 FRAM Cards - matthiaspaul - 08-25-2016, 07:38 PM
RE: HP-48 FRAM Cards - JDW - 08-25-2016, 11:52 PM
RE: HP-48 FRAM Cards - Ron Ross - 08-26-2016, 04:13 PM
RE: HP-48 FRAM Cards - matthiaspaul - 08-27-2016, 11:32 AM
RE: HP-48 FRAM Cards - JDW - 08-27-2016, 12:21 AM
RE: HP-48 FRAM Cards - gege - 08-27-2016, 09:36 AM
RE: HP-48 FRAM Cards - JDW - 08-29-2016, 12:21 AM
RE: HP-48 FRAM Cards - gege - 08-29-2016, 05:32 AM
RE: HP-48 FRAM Cards - JDW - 08-29-2016, 05:35 AM
RE: HP-48 FRAM Cards - gege - 08-29-2016, 05:36 AM
RE: HP-48 FRAM Cards - Han - 03-23-2017, 02:45 PM
RE: HP-48 FRAM Cards - Hans Brueggemann - 03-23-2017, 06:44 PM
RE: HP-48 FRAM Cards - Chris Dreher - 03-23-2017, 04:06 PM
RE: HP-48 FRAM Cards - EugeneNine - 03-23-2017, 04:58 PM
RE: HP-48 FRAM Cards - JDW - 03-23-2017, 11:54 PM
RE: HP-48 FRAM Cards - EugeneNine - 03-24-2017, 12:11 PM
RE: HP-48 FRAM Cards - Gary Cray - 07-16-2017, 06:47 PM



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