Ed/KB1HYS
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« on: February 21, 2011, 09:42:03 PM » |
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Well, it seems that somehow I am getting into the computer... specifically, when I am transmitting the mouse appears to develop a mind of it's own. I am not sure why this has started 'all of a sudden' but it is getting annoying since when I'm on the radio, someone else is usually on the computer... and she's not happy with the dancing pointer!
Any suggestions? is it possible to put a choke on the mouse cable??? there's been no change inthe station setup or anything, so I'm thinking the problems in the PC.
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73 de Ed/KB1HYS
Happiness is Hot Tubes, Cold 807's, and warm room filling AM Sound.
"I've spent three quarters of my life trying to figure out how to do a $50 job for $.50, the rest I spent trying to come up with the $0.50" - D. Gingery
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W2PFY
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« Reply #1 on: February 21, 2011, 10:45:30 PM » |
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I would try a wireless mouse.
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Steve - K4HX
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« Reply #2 on: February 21, 2011, 10:56:54 PM » |
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A choke on the mouse might help. Suggest you ground the case of the computer too.
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KF1Z
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Are FETs supposed to glow like that?
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« Reply #3 on: February 21, 2011, 11:45:30 PM » |
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My puter sits 2 feet from me transmitter.
For a while, the mouse would go dead ( optical/usb )
Grounded the case of the puter... problem solved.
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flintstone mop
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« Reply #4 on: February 22, 2011, 04:01:46 PM » |
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Ya ground the case and choke off the mouse cable..
A wireless mouse might bother your cordless phone or wireless rooter (router)
Fred
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Fred KC4MOP
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w1vtp
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« Reply #5 on: February 22, 2011, 04:23:42 PM » |
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I vote for putting one of those clamp on chokes first as it is such an easy effort
Al
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Sam KS2AM
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« Reply #6 on: February 22, 2011, 04:40:52 PM » |
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All mice are not created equal. Why not swap in another mouse or a different type of mouse to see if the issue is still there ?
Also the problem could be originating elsewhere. i.e. the ingress is occuring at some other point and it manifests itself as mouse movement after it gets into one of the peripheral support chips on the motherboard. As a test you could try disconnecting other cabling temporarily such as USB cables, speaker, printer, etc cabling. Try plugging the PC into another outlet, etc.
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w5omr
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« Reply #7 on: February 22, 2011, 04:43:52 PM » |
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reminds me..
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KF1Z
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Are FETs supposed to glow like that?
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« Reply #8 on: February 22, 2011, 05:09:09 PM » |
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Yes... TRY the ferrites..
However..... it may not be the mouse / cable that is picking up the RF in the first place.
Just because the EFFECT is to make the cursor jump around, doesn't mean the mouse cable is at fault.
Of course, the usb cables on the mice are not the best shielded wires in da world.
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WQ9E
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« Reply #9 on: February 22, 2011, 05:38:10 PM » |
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The mouse cable was an RF egress point on my Dell laptop. Operating with the mouse plugged in caused my home security system to display error codes for the remote sensors.
I needed the motivation to switch to the touch pad anyway.
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Rodger WQ9E
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KM1H
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« Reply #10 on: February 25, 2011, 09:49:30 PM » |
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A bunch of FT240-77's and aluminum foil and Im 100% RFI proof from all the crap in the house; it makes the bands enjoyable again.
None of the amps bothers anything either.
Carl
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W2PFY
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« Reply #11 on: February 26, 2011, 12:22:00 PM » |
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Is it fixed yet? If so, what was the answer?
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The secrecy of my job prevents me from knowing what I am doing.
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W1FVB
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« Reply #12 on: February 26, 2011, 02:15:14 PM » |
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I would try a wireless mouse.
Careful I had a wireless mouse once. Most of them operate at 11 Meter and the plastic housing of the mouse receiver provides no HF shielding what so ever. A real pain in the neck of you have a tiny bit of RF floating around the mouse area. Mine would just lock up, refusing to move the all mighty pointer. Frits |
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vbradio.wordpress.com
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Steve - K4HX
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« Reply #13 on: February 26, 2011, 03:19:44 PM » |
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These days, most, if not all RF based wireless mice operate at 2.4 GHz.
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W1ATR
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« Reply #14 on: February 26, 2011, 10:09:00 PM » |
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I would try a wireless mouse.
Careful I had a wireless mouse once. Most of them operate at 11 Meter and the plastic housing of the mouse receiver provides no HF shielding what so ever. A real pain in the neck of you have a tiny bit of RF floating around the mouse area. Mine would just lock up, refusing to move the all mighty pointer. Frits Yep. Microshaft wireless mice specifically. I had one that would act up so for the hell of it, and lack of any data, I made a loop of wire on my bench (10" dia random lenght) and plugged it into my HP freq counter and set it for a slow (200ms) gate. Wiggle the mouse inside the loop and whadyaknow, 27.195mhz. 10kc up from the truckers channel 19. Ordered a Logitech revolution and tossed the MS mouse. No more probs and the logitech is sweet. |
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W1ATR
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« Reply #15 on: February 26, 2011, 10:09:54 PM » |
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double post
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W2PFY
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« Reply #16 on: February 26, 2011, 11:15:27 PM » |
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The secrecy of my job prevents me from knowing what I am doing.
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Ralph W3GL
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« Reply #17 on: February 27, 2011, 01:49:58 AM » |
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73, Ralph W3GL
"Just because the microphone in front of you amplifies your voice around the world is no reason to think we have any more wisdom than we had when our voices could reach from one end of the bar to the other" Ed Morrow
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Sam KS2AM
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« Reply #18 on: February 27, 2011, 04:48:17 PM » |
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--- Post No Bills ---
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