W
Watson A.Name - "Watt Sun
Guest
I pulled some ferrite core chokes out of a Compaq monitor and one had
a magnet on the top, held on by heat shrink tubing. I measured the
inductance with the magnet on, and it measured 8.2 uH. I cut off the
HST and removed the magnet, and the inductance shot up to 35 uH. I
think this has something to do with varying the permeability.
I don't remember seeing anything about this kind of choke in any
electronics manuals, so I thought I'd do a web search but I came up
with nothing. I tried magnetically polarized inductor and magnetic
core inductor, but neither gave any info that I could find. Do you
know what they call these devices? Thank you.
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@@F@r@o@m@@O@r@a@n@g@e@@C@o@u@n@t@y@,@@C@a@l@,@@w@h@e@r@e@@
###Got a Question about ELECTRONICS? Check HERE First:###
http://users.pandora.be/educypedia/electronics/databank.htm
My email address is whitelisted. *All* email sent to it
goes directly to the trash unless you add NOSPAM in the
Subject: line with other stuff. alondra101 <at> hotmail.com
Don't be ripped off by the big book dealers. Go to the URL
that will give you a choice and save you money(up to half).
http://www.everybookstore.com You'll be glad you did!
Just when you thought you had all this figured out, the gov't
changed it: http://physics.nist.gov/cuu/Units/binary.html
@@t@h@e@@a@f@f@l@u@e@n@t@@m@e@e@t@@t@h@e@@E@f@f@l@u@e@n@t@@
a magnet on the top, held on by heat shrink tubing. I measured the
inductance with the magnet on, and it measured 8.2 uH. I cut off the
HST and removed the magnet, and the inductance shot up to 35 uH. I
think this has something to do with varying the permeability.
I don't remember seeing anything about this kind of choke in any
electronics manuals, so I thought I'd do a web search but I came up
with nothing. I tried magnetically polarized inductor and magnetic
core inductor, but neither gave any info that I could find. Do you
know what they call these devices? Thank you.
--
@@F@r@o@m@@O@r@a@n@g@e@@C@o@u@n@t@y@,@@C@a@l@,@@w@h@e@r@e@@
###Got a Question about ELECTRONICS? Check HERE First:###
http://users.pandora.be/educypedia/electronics/databank.htm
My email address is whitelisted. *All* email sent to it
goes directly to the trash unless you add NOSPAM in the
Subject: line with other stuff. alondra101 <at> hotmail.com
Don't be ripped off by the big book dealers. Go to the URL
that will give you a choice and save you money(up to half).
http://www.everybookstore.com You'll be glad you did!
Just when you thought you had all this figured out, the gov't
changed it: http://physics.nist.gov/cuu/Units/binary.html
@@t@h@e@@a@f@f@l@u@e@n@t@@m@e@e@t@@t@h@e@@E@f@f@l@u@e@n@t@@