Sep 7, 2009 #1 C crystalballs Member level 1 Joined Jan 10, 2008 Messages 32 Helped 6 Reputation 12 Reaction score 4 Trophy points 1,288 Activity points 1,479 bandgap stability Hi all, **broken link removed** In this bandgap the startup circuit works fine untill I apply an offset (vos) to the opamp. With a positive offset, all it's ok but witha negative one the loop becomes open! Why does it happen? Any suggestion to avoid this bad behavior, please? TIA, CBs
bandgap stability Hi all, **broken link removed** In this bandgap the startup circuit works fine untill I apply an offset (vos) to the opamp. With a positive offset, all it's ok but witha negative one the loop becomes open! Why does it happen? Any suggestion to avoid this bad behavior, please? TIA, CBs
Sep 8, 2009 #2 S saro_k_82 Full Member level 6 Joined May 17, 2007 Messages 385 Helped 107 Reputation 214 Reaction score 47 Trophy points 1,308 Location India Activity points 3,837 Look here :