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Embedded Antenna design - RF Cafe Forums
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Antennas4us
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Post subject: Embedded Antenna design
Posted: Tue Mar 17, 2009 7:24 pm
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Joined: Tue Mar 17, 2009
7:20 pm Posts: 2 |
If anyone is looking for help with antenna design,
I am here to answer some basic questions. Or
visit
www.antennas4us.com. Thanks. James.
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Jessica |
Post subject: Re: Embedded Antenna design
Posted: Thu May 14, 2009 11:48 am
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Captain |
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Joined: Thu Oct 12, 2006
7:50 am Posts: 5 |
Hi James. Do you know if anyone (maybe you) makes
a compact FM antenna that does not require something
like headphone wires to act as the antenna? I know
obtainig a reasonable efficieny in a small form
factor at 88-108 MHz is tough (or impossible). Any
thoughts?
_________________ Thanks, Jess
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nubbage |
Post subject: Re: Embedded Antenna design
Posted: Fri May 15, 2009 4:39 am
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General |
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Joined: Fri Feb 17, 2006
12:07 pm Posts: 236 Location: London UK
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Hi Jess About 20 years ago I bought from a mail
order catalogue a low profile compact receive antenna
that claimed to cover VHF FM and Band IV/V TV.
I will examine the case to see if there is a clue
to the manufacturer. I bought 4 at the time, and
I'm still using them as indoor antennas because
my apartment has no means of installing an outdoor
antenna for FM. The size is about the same as
a pack of 20 ciggies (am I allowed to be non-PC
here?) or a lady's powder compact (ditto). It is
certainly effective, but to examine it by reverse
engineering, I would have to destroy it using a
hacksaw. I think it must use some kind of VHF/UHF
ferrite, with a coil would over it of a few turns.
_________________ At bottom, life is all
about Sucking in and blowing out.
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Posted 11/12/2012
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