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MediaPortal 1
MediaPortal 1 Talk
DVB-T HD cards?
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<blockquote data-quote="knutinh" data-source="post: 96801" data-attributes="member: 14776"><p>Basically, your problems with radio transmission could be cathegorised as :</p><p>1. low signal level</p><p>2. low signal to noise ratio</p><p>3. interference and reflections</p><p></p><p>DVB-T is quite good at using reflections for improving signals. Interferences usually come from a different direction than the wanted signal, and a "wide" antenna will be worse than a narrow one.</p><p></p><p>low signal to noise ratio is very common, and an amplifier wont do any good, as itll amplify signal as well as noise.</p><p></p><p>low signal level may occur, if the amplifier built into your tv tuner is working sub-optimally at low levels. In that case, a "booster" with sufficiently low self-noise may be of help.</p><p></p><p></p><p>Basically, the cure to all problems is ensuring that you have a directive antenna with high gain (the more the better), aimed straight at the source. If you need any amplification, it should be placed as close to the antenna as possible. Make sure youve got good wiring.</p><p></p><p>-k</p></blockquote><p></p>
[QUOTE="knutinh, post: 96801, member: 14776"] Basically, your problems with radio transmission could be cathegorised as : 1. low signal level 2. low signal to noise ratio 3. interference and reflections DVB-T is quite good at using reflections for improving signals. Interferences usually come from a different direction than the wanted signal, and a "wide" antenna will be worse than a narrow one. low signal to noise ratio is very common, and an amplifier wont do any good, as itll amplify signal as well as noise. low signal level may occur, if the amplifier built into your tv tuner is working sub-optimally at low levels. In that case, a "booster" with sufficiently low self-noise may be of help. Basically, the cure to all problems is ensuring that you have a directive antenna with high gain (the more the better), aimed straight at the source. If you need any amplification, it should be placed as close to the antenna as possible. Make sure youve got good wiring. -k [/QUOTE]
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