Aug 24, 2005 #1 R ronanchang Junior Member level 2 Joined Oct 21, 2004 Messages 21 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 210 hpw to measure the cmrr of an opamp How to measure the SR and CMRR of a full-differential opamp? In Allen's book,only single-out opamp is discussed. Where can I find these informations? THX
hpw to measure the cmrr of an opamp How to measure the SR and CMRR of a full-differential opamp? In Allen's book,only single-out opamp is discussed. Where can I find these informations? THX
Aug 24, 2005 #2 H Humungus Full Member level 6 Joined Jul 10, 2001 Messages 383 Helped 41 Reputation 82 Reaction score 15 Trophy points 1,298 Activity points 3,985 It is not different from what you do for single ended amplifiers. Just measure your output signal in differential way. Also, remember to test your common mode feedback. Have a look at https://www.designers-guide.org/Analysis/diff.pdf
It is not different from what you do for single ended amplifiers. Just measure your output signal in differential way. Also, remember to test your common mode feedback. Have a look at https://www.designers-guide.org/Analysis/diff.pdf
Aug 24, 2005 #3 I instruite Advanced Member level 4 Joined Jun 7, 2005 Messages 112 Helped 9 Reputation 18 Reaction score 4 Trophy points 1,298 Location India/Japan Activity points 2,555 CMRR - **broken link removed** **broken link removed**