名称由来 口 Operational amplifiers,简写为 Op amps 今运算放大器,简称“运放” 口名称由来 ◇“用运算放大器及简单的电阻网络可以组成简单的 加减运算。用组合运放及电阻网络可以组成乘除甚 至平方开方运算运算放大器当初出世的目的之 就是为了电子数学运算 .Op amps are high(open loop) gain devices whose close loop behavior depends on its outside parameters: resistors, etc. As such, they have the advantage of being extremely consistent(一致) long as the outside components are consistellr as Because of that, op amps were invented to carry out analog calculations: the first op amp, built with tubes, was used in Ww2 to calculate shell trajectory (炮弹轨迹), in an analog computer” 北大微电子学系一陈中建一模拟集成电路原理北大微电子学系－陈中建－模拟集成电路原理 11 名称由来 Operational amplifiers，简写为Op amps 运算放大器，简称“运放” 名称由来 “用运算放大器及简单的电阻网络可以组成简单的 加减运算。用组合运放及电阻网络可以组成乘除甚 至平方、开方运算。运算放大器当初出世的目的之 一就是为了电子数学运算”  “Op amps are high (open loop) gain devices whose close loop behavior depends on its outside parameters: resistors, etc. As such, they have the advantage of being extremely consistent(一致), as long as the outside components are consistent. Because of that, op amps were invented to carry out analog calculations: the first op amp, built with tubes, was used in WW2 to calculate shell trajectory （炮弹轨迹）, in an analog computer