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23rd April 2007, 01:30 AM
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#1 |
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diyAudio Member
Join Date: Jul 2005
Location: São Paulo/brasil
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Audio coupling signal with ground isolated
Friends, which the best solution to connect signals of audio to ground isolated… ja I made with transformer with satisfactory result! it would like opinion for other forms of coupling that function with frequencia of 10HZ up to ones 80khz… will be grateful to that they will be able to help me.
thanks.
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Elias Novaes audio designer São Paulo / Brasil |
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23rd April 2007, 03:42 AM
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#3 | |
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diyAudio Member
Join Date: Jul 2005
Location: São Paulo/brasil
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Quote:
not , to isolate the signal of the audio one ... the input circuit has that to have groud isolated of the following circuit ....
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Elias Novaes audio designer São Paulo / Brasil |
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23rd April 2007, 05:24 PM
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#4 |
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diyAudio Member
Join Date: Jul 2005
Location: São Paulo/brasil
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Friends, see drawing of the current system who I am using to isolate gnd of the audio signal ... liked to know other forms ...
thanks .
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Elias Novaes audio designer São Paulo / Brasil |
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23rd April 2007, 08:20 PM
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#5 |
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diyAudio Member
Join Date: Feb 2004
Location: Recife-Brasil Northeast
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We need more details....unless i need them
Não tá claro o que tu queres amigo.
Desbloqueie teu E mail, não consegui mandar nada via forum..isso você regula lá nos profáiles da vida...no user cp. Not clear enough what you want, please unblock your mail to forum users. More details to me, please. regards, Carlos |
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27th April 2007, 12:05 AM
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#6 |
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diyAudio Member
Join Date: Jul 2005
Location: São Paulo/brasil
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UP ....
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Elias Novaes audio designer São Paulo / Brasil |
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27th April 2007, 02:31 AM
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#7 |
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diyAudio Member
Join Date: Oct 2003
Location: Near the sea
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Check precision linear optocouplers with feedback like HCNR-200
http://www.avagotech.com/productDeta...5,C5011,P88938
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I use to feel like the small child in The Emperor's New Clothes tale 
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