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ТЕМА: mb1 problem

mb1 problem 10 Янв 2017 08:36 #1

  • Is0cak
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good morning
I have a problem with my mb1
when I turn it generates a number of carriers which I note on my spectrum, and I feel even on my k3.
the carriers are seen up to 12 MHz.up to 5MHz it is very strong then drops in intensity.
over 12 MHz does not seem to present.the carrier seems to repeat itself every 743 khz around
the carriers are also present in the ham bands



73 de is0cak
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mb1 problem 15 Май 2017 06:22 #2

  • VassiL
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As I understand this issue was solved?
Василий, Vasily,
Expert Electronics
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mb1 problem 04 Июнь 2017 15:50 #3

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Excuse Vasily if I have not updated anymore.
The problem has not been solved but I have identified the cause.
Is the communication cable cat.
If I disconnect, the signal disappears.
As soon as I have some time I will try to make it a new one or I will use ferrite

73 de is0cak
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mb1 problem 05 Июнь 2017 14:51 #4

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Hi, Gianni,
We recommend using CAT6 shielded Ethernet cables to minimize it.
Also some LAN devices like routers, PCs LAN-cards can generate these carriers.
If you'll add ferrite beads on top of that, it would be even better.
Роман, Roman
Expert Electronics
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Спасибо сказали: LA9AKA
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