Keywords: Amplification.svg amplifier given an arbitrary time-varying signal <math>v_i t \ </math> as input Amplification means increasing the amplitude voltage or current of an arbitrary electrical signal by a uniform amount as illustrated here The amplifier in this example has a gain of 2; that is <math>v_o t 2v_i t \ </math> 2016-11-27 own Chetvorno other versions cc-zero Amplifier diagrams |