A convenient modulator can be formed by an emitter-follower transistor having its emitter region connected to the source or drain of the field-effect transistor.
方便调节剂能形成一个射极跟随晶体管发射极地区，其连接到来源或流失的场效应晶体管。
2
A new design of BJT analog switch using high speed unit such as emitterfollower, current mirror and unsaturated current switch is presented.
本文采用射极跟随器、电流镜、非饱和电流开关等高速单元电路设计了一种新颖的BJT模拟开关。
3
This paper describes a method for optimum design of emitterfollower amplifier.