[TowerTalk] Halogen Bulbs - 1.8 Mhz RFI
Floyd Sense
fsense at copper.net
Thu Nov 25 14:46:07 EST 2004
Javier - It sounds as if you are using low voltage halogen lamps - is that
right? Chances are that it is the power supply responsible for the noise,
not the bulbs themselves. I have 120 VAC halogen bulbs all over my house
and not a whisper of noise. I understand that some of the low voltage
halogen fixtures are using switching power supplies and if that is what you
have, I doubt that there is much you can do to silence them.
K8AC
----- Original Message -----
From: "Javier" <yv5mbx at arrl.net>
To: <towertalk at contesting.com>
Sent: Thursday, November 25, 2004 2:05 PM
Subject: [TowerTalk] Halogen Bulbs - 1.8 Mhz RFI
I found that the halogen bulbs that were installed few days ago to replace
my room lamp produce RFI in 1.8 Mhz while the switch it´s on.
I am unable to pull it out because are inserted into a false ceiling I would
like to know opinions about the correct placement of ferrite chokes or ideas
that could help me to solve the situation.
Actually I am using an AC filter between the wall socket and the rig power
supply.
Ideas welcome!!!
73's de Javier
yv5mbx
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