Apr 18, 2008 #1 E eda_range Member level 1 Joined Apr 12, 2007 Messages 32 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,477 Hi,guys! While doing my op-amp design, I found the sourcing and sinking ability of my AB output was poor, the current is around 40mA far below requirement. How to improve this performance? Thank you in advance.
Hi,guys! While doing my op-amp design, I found the sourcing and sinking ability of my AB output was poor, the current is around 40mA far below requirement. How to improve this performance? Thank you in advance.
Apr 18, 2008 #2 O overmars Member level 3 Joined Sep 11, 2006 Messages 65 Helped 5 Reputation 10 Reaction score 1 Trophy points 1,288 Activity points 1,754 AB output maybe you can enlarge W/L ratio of output drive NMOS and PMOS..to get high current but if L changed the open-loop gain will change.
AB output maybe you can enlarge W/L ratio of output drive NMOS and PMOS..to get high current but if L changed the open-loop gain will change.
Apr 18, 2008 #3 E eda_range Member level 1 Joined Apr 12, 2007 Messages 32 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,477 AB output Thanks, but could you tell me if any modification could be made toward this output to enhance this performance without enlarging W/L?
AB output Thanks, but could you tell me if any modification could be made toward this output to enhance this performance without enlarging W/L?