Some manufacturers, while using the 5-Pin XLR, decided to use fourth and fifth pins for DC power, not signal data as specified in the standard.

有些厂家虽然使用了5针XLR，但是他们却利用引脚4和引脚5来传输直流电，而本标准并没有这样规定。

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Based on characteristics of PIN diode switch circuit in rf signal switching, a PIN electronic switch circuit is designed to perform filter switching.

基于PIN二极管开关电路在射频信号切换方面的特性，设计了一种应用于滤波器切换的PIN电子开关电路。

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According the characteristic of the steering-engines control signal, use one pin of S3C2440 to control one steering-engine, use interrupts to specific the time.

根据舵机的控制信号特性，设计使用S3C2440的一个通用引脚控制一个舵机，应用中断来对时间进行描述。

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It's not just about upping the data rate, though, as other challenges include keeping that signal good through conditions your ISP (thankfully) won't normally have to consider, such as pin-point accuracy over 238, 900 miles while moving through space.

ENGADGET