Amplificador de sinal

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Old 06-09-2006   #1
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Exclamation Amplificador de sinal

Boas a todos, gostava que alguém me esclarecesse uma dúvida técnica.

Tenhos duas antenas (1-80 em nilesat;1-60 em hispasat) atraves de um diseq e de seguida um combinador de sinal com uma antena UHF.
Ao ligar o nilesat directamente ao receptor fico com o sinal quase no max mas ao ligar ao diseq fica entre os 40 e 55%. Ao colocar um amplificador de sinal logo a seguir ao lnb deixo de ter sinal. Tenho de colocar o amplificador antes ou depois do diseq e antes ou depois do combinador de sinal?

Desde já obrigado a todos e que as flores voltem em breve.
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Old 07-09-2006   #2
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My System: Ouralis Evo3 80cm Dish/LNB 0.7dB Motor DISEqC1.2 G3ox via rs232

Os amplificadores de sinal introduzem ruido, logo faz com que a qualidade baixe. Tens q por o amplificador entre o diseq e o deco.

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Old 07-09-2006   #3
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Originally Posted by TigTex View Post
Os amplificadores de sinal introduzem ruido, logo faz com que a qualidade baixe. Tens q por o amplificador entre o diseq e o deco.
Desce já obrigado pela resposta, mas ainda tenho a dúvida se coloco antes ou depois do combinador de sinal.
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Old 07-09-2006   #4
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My System: Ouralis Evo3 80cm Dish/LNB 0.7dB Motor DISEqC1.2 G3ox via rs232

Desculpa... Deves colocar antes do combinador e depois do diseq visto q queres amplificar o sinal que provem do lnb's

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Old 07-09-2006   #5
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boas - eu tenho o ampli. mesmo antes de chegar ao Deco e funca bem.
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Old 07-09-2006   #6
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OK. Obrigado a todos.
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