Forward bias voltage （顺向电压）(Vf) : 0~8V, programmable@ 0 – 0.5 mA,0.5 – 50 mA, 50 mA~500 Ma
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By controlling the detecting time, it is found that the light intensity is varied with the detection time, and also varied with the forward bias voltage in the same detection time.
控制光探测器的探测时间，发现不同探测时间下电池的发光强度不同，探测时间相同但偏压不同则光强也不同。
By utilizing forward body bias technique, the threshold of MOS has been changed for operating at low voltage.
通过采用正体偏置技术，改变器件工作阈值达到低电压工作的目标。
R5 and R8 set a small bias level to reduce the otherwise quite wide neutral deadband caused by the forward voltage drops of the 1n4148's.
R5的和r8设置一个小的偏见水平，以减少，否则相当广泛中立的死所带来的正向电压下降的1n4148的。
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