A series diode, or two diodes in parallel back-to-back, can serve as a useful alternative to a series resistor for this purpose.

串入一个二极管或两个反向并联的二极管可以作为一种有用的替代方法，起上述串联电阻的作用。

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Going back to the clipping diodes now, the diodes have no effect until the signal at the output is greater than the threshold voltage of the diode.

回到剪辑二极管现在，二极管没有影响到信号输出大于阈电压的二极管。

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A useful alternative to a series resistor is a series diode, or two diodes in parallel back-to-back.

一个有用的方法是用一个串联二极管或者两个背靠背并联的二极管代替串联电阻。

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The company makes two pieces of the system: a laser diode that shoots a signal at the player, recognizes her motions and reflects them back to the console, at which point they hit a second JDSU part, an optical filter.

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