M maxbrenner New Member Dec 20, 2010 #1 Need to design a differential amplifier (using transistors) that has a SNR=100. signal is a differential mode signal and noise is common mode signal. Please help? new at this! Thank you!
Need to design a differential amplifier (using transistors) that has a SNR=100. signal is a differential mode signal and noise is common mode signal. Please help? new at this! Thank you!
crutschow Well-Known Member Most Helpful Member Dec 20, 2010 #2 So you need a common-mode rejection ratio (ratio of differential gain to common-mode gain) of 40dB. Look at this.
So you need a common-mode rejection ratio (ratio of differential gain to common-mode gain) of 40dB. Look at this.