Jun 16, 2006 #1 N newbie_1 Member level 3 Joined Sep 27, 2005 Messages 54 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,739 hi, When should we use double guard rings? how to decide the width of the rings? and how to decide which guard ring to be put inside? thanks a lot
hi, When should we use double guard rings? how to decide the width of the rings? and how to decide which guard ring to be put inside? thanks a lot
Jun 17, 2006 #2 R rficd Junior Member level 3 Joined Jun 7, 2006 Messages 30 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,286 Activity points 1,517 Re: about guard rings the double guard ring is needed if the digital circuit and analog ckt are integrated in one substrate. the width is depend on the required performance of analog ckt. The wider is the guard ring, the higher is the required performance.
Re: about guard rings the double guard ring is needed if the digital circuit and analog ckt are integrated in one substrate. the width is depend on the required performance of analog ckt. The wider is the guard ring, the higher is the required performance.