unwanted sync

danial stocks diode at hotmail.com
Sat Mar 11 18:43:37 CET 2000


Another thing which helps decoupling, used often in high performance power 
amps and some digital/analog gear is star point earthing... ie instead of 
using a ground plane , the ground point of the power supply has individual 
tracks coming from it to each individual part of the cct [ie vco1, vco2 
etc]... this works well because.. - each track represents a small but finite 
resistance to ground.. but currents do nnot cross couple along each arm 
because they all meet at the ground point... similar to the summing node at 
an op amp really..
cheers,
Dan
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