loose-electron
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Best Design Tool = Capable Designers
Posts: 1638
San Diego California
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yes - we did some real world studies and the deep well does not help that much in most cases (2-4dB)
(IBM, SiGe processes with deep-n-well 6HP IIRC)
At high frequencies, coupling is going to be by parasitic paths and the deep wells do not make parasitics go away by magic.
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