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Total 17 documents matching your query.

1. [RFI] Keyboard (score: 1): Author: Joe <nss@mwt.net>; Date: Sat, 3 Mar 2018 09:24:12 -0600; Is RF getting into a keyboard issue OK here, it is RFI in a way.. OK, Say you get RF into a USB keyboard. It just stops working and the only way to get it working again is a total re-boot. I'm assumi; /archives//html/RFI/2018-03/msg00001.html (7,743 bytes)
2. Re: [RFI] Keyboard (score: 1): Author: dalej <dj2001x@comcast.net>; Date: Sat, 3 Mar 2018 09:32:18 -0600; Id use a #31 mix snap-on and wrap several turns though it. I purchase mine from Mouser. I dont have the PN handy but if you need it let me know. Those from RS I dont count on to do a good enough job.; /archives//html/RFI/2018-03/msg00002.html (8,083 bytes)
3. Re: [RFI] Keyboard (score: 1): Author: GaryK9GS <garyk9gs@wi.rr.com>; Date: Sat, 03 Mar 2018 09:47:21 -0600; A better idea would be to fix the RF getting into the keyboard in the first place. That's not normal. What kind of antenna are you using? Does this happen on only some bands? At any power level. 7; /archives//html/RFI/2018-03/msg00003.html (8,746 bytes)
4. Re: [RFI] Keyboard (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Sat, 3 Mar 2018 15:47:38 +0000; Most RFI prevention ferrite 'beads' are aimed at low VHF, at best, through 800 (a stretch) or so MHz. They will do little to nothing for HF RFI. Homeland Security recommends 61 material for EMP which; /archives//html/RFI/2018-03/msg00004.html (9,042 bytes)
5. Re: [RFI] Keyboard (score: 1): Author: Chuck Gooden <Chuck.Gooden@comcast.net>; Date: Sat, 3 Mar 2018 09:52:32 -0600; Use #31 ferrite snap-ons. I am not sure I would trust Homeland Security for electronics issues, security yes electronics no! What is the manufacture and model of the keyboard? My IBM keyboard final; /archives//html/RFI/2018-03/msg00005.html (7,949 bytes)
6. Re: [RFI] Keyboard (score: 1): Author: dalej <dj2001x@comcast.net>; Date: Sat, 3 Mar 2018 10:11:56 -0600; The Logitech wirless keyboard is a good one for the money and no more RFI into the keyboard/computer. I dont especially like typing on it, but its not bad. <https://www.amazon.com/Logitech-K360-Wirel; /archives//html/RFI/2018-03/msg00006.html (9,585 bytes)
7. Re: [RFI] Keyboard (score: 1): Author: "Dave Hachadorian" <k6ll.dave@gmail.com>; Date: Sat, 3 Mar 2018 10:14:39 -0700; I've never had a problem with this wireless keyboard/mouse: https://www.walmart.com/ip/Logitech-MK270-Wireless-Keyboard-Mouse-Combo/28540111 Dave Hachadorian, K6LL Yuma, AZ Is RF getting into a keybo; /archives//html/RFI/2018-03/msg00007.html (9,064 bytes)
8. Re: [RFI] Keyboard (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Sat, 3 Mar 2018 12:53:21 -0500; You have received some good tips. I would like to add that in a previous life when I was a lead tempest engineer I had to design and test items like keyboards and the problems we had to overcome, in; /archives//html/RFI/2018-03/msg00008.html (9,471 bytes)
9. Re: [RFI] Keyboard (score: 1): Author: Joe <nss@mwt.net>; Date: Sat, 3 Mar 2018 14:09:46 -0600; Thanks All for comments. Answers to each one is below... Yes Please send me the best part numbers. for this. This may be all for naught anyway. I use elevated Verticals. Full sized 1/4 wave ones. And; /archives//html/RFI/2018-03/msg00009.html (10,537 bytes)
10. Re: [RFI] Keyboard (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Sat, 3 Mar 2018 14:40:10 -0800; Lots of problems like this are caused by a bad piece of coax, or coax with a poor shield connection (or no shield connection). Under normal operation, current on the center conductor returns on the s; /archives//html/RFI/2018-03/msg00010.html (8,774 bytes)
11. Re: [RFI] Keyboard (score: 1): Author: "Eddie Edwards" <eddieedwards@centurylink.net>; Date: Sat, 3 Mar 2018 18:01:20 -0600; I found this one to be a better deal and closer to the touch and feel of an HP keyboard: https://www.amazon.com/Logitech-Wireless-Keyboard-K270-Long-Range/dp/B004N62 7KS/ref=sr_1_1?s=electronics&ie=U; /archives//html/RFI/2018-03/msg00011.html (11,488 bytes)
12. Re: [RFI] Keyboard (score: 1): Author: Joe <nss@mwt.net>; Date: Sat, 3 Mar 2018 18:16:25 -0600; Hi Jim, You ask "What is the RF path for antenna switching in the SB220?" Not sure what you are meaning to ask here. Please clarify. Joe WB9SBD Sig The Original Rolling Ball Clock Idle Tyme Idle-Tym; /archives//html/RFI/2018-03/msg00012.html (10,015 bytes)
13. Re: [RFI] Keyboard (score: 1): Author: Joe <w7rkn.7@gmail.com>; Date: Sat, 3 Mar 2018 16:28:03 -0800; Try asking over in the HeathKit_HFAmps group: HeathKit_HFAmps-Subscribe@yahoogroups.com Joe - W7RKN Lots of problems like this are caused by a bad piece of coax, or coax with a poor shield connection; /archives//html/RFI/2018-03/msg00013.html (9,006 bytes)
14. Re: [RFI] Keyboard (score: 1): Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>; Date: Sat, 3 Mar 2018 23:21:50 -0500; I use wireless Logitech K350 with the M510 mouse. Inexpensive, contoured, and easy typing even for a touch typist. Widely available. Easy installation. 73, Roger (KK8RI) I dont especially like typin; /archives//html/RFI/2018-03/msg00014.html (11,471 bytes)
15. Re: [RFI] Keyboard (score: 1): Author: Gary Smith <wa6fgi@steeltrails.net>; Date: Sun, 4 Mar 2018 09:33:11 -0800; Tongue in cheek here, how bout out to the antenna? Gary...wa6fgi Not sure what you are meaning to ask here. Please clarify. Joe WB9SBD Sig The Original Rolling Ball Clock Idle Tyme Idle-Tyme.com htt; /archives//html/RFI/2018-03/msg00015.html (10,715 bytes)
16. Re: [RFI] Keyboard (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Sun, 4 Mar 2018 17:37:04 +0000; Having once had two SB220 Heathkit amps (one, I devoted to 160-meters only), coaxial cable is used for both the input and output. Further, the braid is connected to chassis at BOTH ends of all coax r; /archives//html/RFI/2018-03/msg00016.html (11,541 bytes)
17. Re: [RFI] Keyboard (score: 1): Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>; Date: Mon, 5 Mar 2018 03:58:45 -0500; Fix RF getting into the kbd, BUT this is only a problem in the one configuration! If so, then the problem should not be the kbd, nor should there be a need to go through RF chokes and any other cure; /archives//html/RFI/2018-03/msg00017.html (11,793 bytes)

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