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Chip Amps Amplifiers based on integrated circuits

Star Ground technique
Star Ground technique
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Old 4th December 2005, 09:24 AM   #1
kaushama is offline kaushama  Sri Lanka
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Default Star Ground technique

I have done a search both in the forum and web for star ground method. The information given are bit confusing and contradictory. Can some guru in the forum give a clear account on the correct method with a block diagram?

In my main system the signal ground is a separate ground isolated by 10R. Where shall I connect the signal ground? Where and when does one need to put Zobel isolators in ground connection.
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Old 4th December 2005, 09:32 AM   #2
Wynand is offline Wynand  South Africa
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just look at the thread called "multiple grounds" its still a recent thread and you should still see it on the main chip amps page
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Old 4th December 2005, 12:41 PM   #3
Mick_F is offline Mick_F  Germany
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Have a look at this page (scroll down a bit), where I show a schematic of the grounding scheme I used for a chipamp with separate PSU. It is absolutely silent.

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