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Daughterboard replacement for Horizon HRD+ chip stacks

Earlier, in my article about refurbishing an old Bud Mills Horizon HRD+, I asked why TI gear (both official and homebrew) tended to stack similar chips on top of each other, straightening pins out, and using flying wire to connect to other stacked chips. The question was mostly rhetorical because it was pre-electronic-CAD … so […]