... The earliest IC op amp OUTPUT stages were NPN emitter followers with NPN current sources or resistive pull-downs, as shown in Figure 1.6. 最初的集成运算放大器的输出级是NPN电流源的NPN放射追随器或通过电阻下拉，如图1.;6所示。 emitter follower voltage regulator 发射极跟随稳压器 emitter follower diode transistor logic 射极输出器二极管-晶体管逻辑 ...
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