wjxcom
Full Member level 5

Hi, all: this schemetic in attachment is a fully differential OPA which includes CMFB. Now, please look at this circuit, I do not know what is the role of M55 and M56. I think this two MOS transistor is unnecessary.
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.