Jul 15, 2009 #1 M masa_2010 Newbie level 6 Joined Nov 20, 2008 Messages 14 Helped 4 Reputation 8 Reaction score 4 Trophy points 1,283 Activity points 1,366 I need someone to tell me the main advantages of cascode op amp over the conventional op amp ?
Jul 16, 2009 #2 A amriths04 Full Member level 5 Joined Jul 15, 2006 Messages 263 Helped 23 Reputation 46 Reaction score 9 Trophy points 1,298 Activity points 2,819 1) cascode opamp has a better output impedance than a normal opamp. Hence higher gain. 2)Due to stacking cascode has lower swing. 3)Higher unity gain bandwidth than a conventional amp, as there is no miller effect in the input transistor. hope it helps
1) cascode opamp has a better output impedance than a normal opamp. Hence higher gain. 2)Due to stacking cascode has lower swing. 3)Higher unity gain bandwidth than a conventional amp, as there is no miller effect in the input transistor. hope it helps