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30th March 2007, 05:50 PM
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#1 |
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diyAudio Member
Join Date: Nov 2005
Location: SoCal
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Ground point for HF decoupling cap?
Where is the best place to ground a HF decoupling cap for small signal stages? At that stages local ground, or at the main star point? Its Class A, SRPP stage with mono-polar power supply.
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30th March 2007, 08:20 PM
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#2 |
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diyAudio Member
Join Date: Dec 2004
Location: South Florida, USA
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For best HF decoupling, I’d place the cap to the local stage ground. Placing it to a distant star ground could introduce path inductance and resistance that might not shunt HF as well. Think of the closed loop at HF.
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Brian |
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