C Thread Starter c1rcu1ts Joined Oct 19, 2013 62 Mar 29, 2016 #1 Hello all, I was simulating the AC analysis of a particular op amp known as the THS4505, according to the diagram below From the analysis, i found a peak which occurred at approximately 10MHz Can someone explain to me why this occurs or point me in a direction where i can find the answer?
Hello all, I was simulating the AC analysis of a particular op amp known as the THS4505, according to the diagram below From the analysis, i found a peak which occurred at approximately 10MHz Can someone explain to me why this occurs or point me in a direction where i can find the answer?
crutschow Joined Mar 14, 2008 29,537 Mar 29, 2016 #2 The peak may be due to the input capacitance in the op amp model. Try reducing the resistors to about 2kΩ and see if the peak changes. Also look at the response when in a non-inverting follower configuration for comparison.
The peak may be due to the input capacitance in the op amp model. Try reducing the resistors to about 2kΩ and see if the peak changes. Also look at the response when in a non-inverting follower configuration for comparison.