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Old 23rd April 2007, 01:30 AM   #1
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Default 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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Old 23rd April 2007, 02:41 AM   #2
Leolabs is offline Leolabs  Malaysia
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What's the transformer's purpose???Signal coupling???
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Old 23rd April 2007, 03:42 AM   #3
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Quote:
Originally posted by Leolabs
What's the transformer's purpose???Signal coupling???

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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Old 23rd April 2007, 05:24 PM   #4
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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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Old 23rd April 2007, 08:20 PM   #5
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Default 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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Old 27th April 2007, 12:05 AM   #6
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UP ....
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Old 27th April 2007, 02:31 AM   #7
Eva is offline Eva  Spain
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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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