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uk.tech.digital-tv (Digital TV - General) (uk.tech.digital-tv) Discussion of all matters technical in origin related to the reception of digital television transmissions, be they via satellite, terrestrial or cable. Advertising is forbidden, with no exceptions.

newbie Q: what is the dongle thing on the end of the aerial lead?



 
 
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  #1  
Old July 8th 03, 04:24 PM posted to uk.tech.digital-tv
[neil]
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Posts: 7
Default newbie Q: what is the dongle thing on the end of the aerial lead?

Hi again :-)

The lead that goes from the itvdigital box to the tv has a dongle bit at the
box end - what's it for?

It says something about for safety you have to use it - I was just
wondering, what would happen if you used a normal aerial extension lead
between the digibox and tv or video?

Cheers

Neil


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  #2  
Old July 8th 03, 05:58 PM posted to uk.tech.digital-tv
Aztech
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Posts: 655
Default newbie Q: what is the dongle thing on the end of the aerial lead?

"[neil]" wrote in message
...
Hi again :-)

The lead that goes from the itvdigital box to the tv has a dongle bit at the
box end - what's it for?


Sounds like a filter, basically a coil, you see them on a lot of things like the
output from DC power supplies. Didn't they fit them in the faint hope it would
cut down on impulse noise?

Az.

  #3  
Old July 8th 03, 06:31 PM posted to uk.tech.digital-tv
Dave Pickles
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Posts: 71
Default newbie Q: what is the dongle thing on the end of the aerial lead?

[neil] wrote:

Hi again :-)

The lead that goes from the itvdigital box to the tv has a dongle bit at
the box end - what's it for?

It says something about for safety you have to use it - I was just
wondering, what would happen if you used a normal aerial extension lead
between the digibox and tv or video?


It's a lump of ferrite placed around the lead. It acts as a filter to
prevent radiation from the digibox interfering with any other equipment in
the vicinity. Remember the box has a computer and lots of high-speed
electronics inside.

Also make a useful grab handle for pulling the lead out ;-)
--
Dave

 




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