The precision current source is shown in Figures 17, 18. The configurations shown will sink or source conventional current respectively.

图17、18分别给出了精密电流源电路在吸入和输出电流两种情况下的电路结构。

youdao

The tapered amplifier system includes semiconductor laser source, tapered amplifier chip, precision current source and temperature control system; and the core component is the tapered amplifier chip.

锥形结构的半导体激光放大器系统主要包括半导体激光源、锥形放大器、精密电流源和温度控制系统，核心部件是锥形放大器。

youdao

The adjustable current source using AD8205 and current PWM controller UC3842 features such advantages as simplified reliable circuits and high precision output current.

AD 8205型高端电流传感器可以简化检测电路，采用AD 8205和UC 3842电流型PWM控制电路实现PWM可调电流源，电路结构简单可靠，输出电流精度高。

youdao