Another strategy for signal routing across zones Column mode PCB forum PCB design advanced discussion area (experts sitting in the hall) [Repost! Ask the experts! ] Another strategy for signal routing across zones Site search Previous topic | Next topic 19 1 2 Add to information Favorites Subscribe Recommend Print Search [Repost! Ask the experts! ] Another strategy for signal routing across zones mengzhuhao Posted on 2007-10-9 20:28 View only this author Small Medium Large 1# [Repost! Ask the experts! 】Another strategy for signal routing across regionsAnother strategy for signal routing across regionsPBC [0 G + Forum; i ` $ yu 7 ~ j 9 O When the signal references the power plane, the power plane is often divided, causing the signal to cross the region routing. At this time, the method mostly used is to use a capacitor connection between the two regions as a return path; this will not be discussed for the time being; Moderator Personal Space Add as a friend Send a short message Currently offline Industry Expert 5 6 3 AD, Forum Design BCP altuoy Speed High Imitation M / IS ! V ( s H 9 b \" Y True q 1 x Here we discuss another method; EB C 3 ( d ! b \" E ) + Forum K Assume that the stacking structure is as shown below: P9 h . I ; S : Y 7 P 0 k \" GA 8 J 3 M / tSignalSignal X Goes from the source IC pin to the TOP Layer (reference GND) through VIA to the inner layer (reference power Forum BC, G 2 \'v E 7 U ! ? 0 | / W * D 3 t POWER plane); then from the inner layer through VIA to the TOP Layer to the target IC pin; P Because the POWER layer is divided, the signal Signal X is routed across regions; ----- (here the reference plane is changed from GND to power POWER and the impact is temporarily ignored; strictly speaking, a capacitor should be placed near VIA to connect the power supply to the ground BCP industry professional 5 6 3 AD al, forum discussion design t......
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