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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Satellite Meters and Installation Equipment
Using the "138MHz-4.4GHz USB SMA Source/Signal Generator/Simple Spectrum Analyzer" for TV/CATV/SAT
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<blockquote data-quote="Tururu" data-source="post: 997056" data-attributes="member: 227656"><p>Thanks for your time/Gracias por tú tiempo vma.<img src="http://www.imagenonline.com/imagenes/7/a6777.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>.</p><p>Splitter 4AF and 8AF</p><p>The main difference is 2dB less signal in a 4 to one dispatcher than 8 outputs.</p><p>Dimming the 10 / 12dB signal for commercial channels is not a problem, depending on the antenna size (as always).</p><p>But the feed / technical links will not see them, be careful.</p><p>If we only have to signal the spectrum analyzer, a 2-output splitter is more suitable, we only lose -5dB of the original signal.</p><p>According to the brand, it can vary, on average at 950-2400Mhz, at lower frequencies, less.</p><p>1x2 = -4dB</p><p>1x4 = -10dB</p><p>1x8 = -11dB</p><p></p><p>The splitters, <strong>let everything happen in all directions</strong> (modulated power / tone).</p><p>Important, in the market, the splitters you have them without feeding step (care)</p><p>Check that it has a DC-Pass and that it is 50-2400Mhz on average.</p><p></p><p>Continuous reader.<img src="http://www.imagenonline.com/imagenes/7/a6775.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p>-----------------------</p><p>Divisor 4AF y 8AF</p><p>La diferencia principal son 2dB menos de señal en un repartidor de 4 a uno de 8 salidas.</p><p>Atenuar la señal 10/12dB para canales comerciales no es problema, dependiendo del tamaño de antena (como siempre).</p><p>Pero los feed/enlaces tecnicos no los vera, cuidado.</p><p>Si solo tenemos que dar señal al analizador de espectro, un repartidor de 2 salidas es mas adecuado, solo perdemos -5dB de la señal original.</p><p>Segun marca, puede variar, de media en 950-2400Mhz, en frecuencias mas bajas, menos.</p><p>1x2= -4dB</p><p>1x4= -10dB</p><p>1x8= -11dB</p><p></p><p>Los repartidores/splitter,<strong> dejan pasar todo en todas direcciones </strong>( alimentacion modulada/tonos ).</p><p>Importante, en el mercado, los repartidores/splitter los tienes sin paso de alimentacion (cuidado)</p><p>Verificar que tenga paso de alimentacion (DC-Pass) y que sea de 50-2400Mhz de media.</p><p></p><p>Continuo de lector.<img src="http://www.imagenonline.com/imagenes/7/a6775.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Tururu, post: 997056, member: 227656"] Thanks for your time/Gracias por tú tiempo vma.[IMG]http://www.imagenonline.com/imagenes/7/a6777.gif[/IMG] . Splitter 4AF and 8AF The main difference is 2dB less signal in a 4 to one dispatcher than 8 outputs. Dimming the 10 / 12dB signal for commercial channels is not a problem, depending on the antenna size (as always). But the feed / technical links will not see them, be careful. If we only have to signal the spectrum analyzer, a 2-output splitter is more suitable, we only lose -5dB of the original signal. According to the brand, it can vary, on average at 950-2400Mhz, at lower frequencies, less. 1x2 = -4dB 1x4 = -10dB 1x8 = -11dB The splitters, [B]let everything happen in all directions[/B] (modulated power / tone). Important, in the market, the splitters you have them without feeding step (care) Check that it has a DC-Pass and that it is 50-2400Mhz on average. Continuous reader.[IMG]http://www.imagenonline.com/imagenes/7/a6775.gif[/IMG] ----------------------- Divisor 4AF y 8AF La diferencia principal son 2dB menos de señal en un repartidor de 4 a uno de 8 salidas. Atenuar la señal 10/12dB para canales comerciales no es problema, dependiendo del tamaño de antena (como siempre). Pero los feed/enlaces tecnicos no los vera, cuidado. Si solo tenemos que dar señal al analizador de espectro, un repartidor de 2 salidas es mas adecuado, solo perdemos -5dB de la señal original. Segun marca, puede variar, de media en 950-2400Mhz, en frecuencias mas bajas, menos. 1x2= -4dB 1x4= -10dB 1x8= -11dB Los repartidores/splitter,[B] dejan pasar todo en todas direcciones [/B]( alimentacion modulada/tonos ). Importante, en el mercado, los repartidores/splitter los tienes sin paso de alimentacion (cuidado) Verificar que tenga paso de alimentacion (DC-Pass) y que sea de 50-2400Mhz de media. Continuo de lector.[IMG]http://www.imagenonline.com/imagenes/7/a6775.gif[/IMG] [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Satellite Meters and Installation Equipment
Using the "138MHz-4.4GHz USB SMA Source/Signal Generator/Simple Spectrum Analyzer" for TV/CATV/SAT
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