tag:blogger.com,1999:blog-6044807434418608139.post884376707087619612..comments2023-07-20T20:48:38.303-05:00Comments on Wirebender Audio Rants: Madness to the Method – Gain StructureT.W. Dayhttp://www.blogger.com/profile/04078254371483458356noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6044807434418608139.post-61361905327553132992018-10-25T14:20:32.661-05:002018-10-25T14:20:32.661-05:00Another advantage to obtaining as much gain as pos...Another advantage to obtaining as much gain as possible as early as possible is common mode rejection, which in transformer-less designs is often directly related to input gain. CMRR = 20 log (Ad/Acm) where Ad= amplifer gain and Acm is the unity gain common mode rejection ratio. Gain in the differential stage gets you free additional common mode rejection. T.W. Dayhttps://www.blogger.com/profile/04078254371483458356noreply@blogger.com