...的设计 集成度以太网络供电控制器Si3400 模拟与混合信号IC厂商SiliconLaboratories日前针对以太网络用电装置(PoweredDevice,PD)应用推出业界最高集成度的IEEE802.3af以太网络供电(PoweroverEthernet,Po...
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我们可以用它来驱动一个小型的用电装置,像LED灯(Light Emitting Diode)。
We should be able to light up a small device like an LED (light Emitting Diode).
该装置看上去像录像机,连接在家用电视机和立体音箱上。
The device looks like a video recorder and plugs into the home television and stereo system.
但是大家都知道,如果我们间歇性地使用电动装置,会消耗更多能量。
But everyone knows that if you use battery-powered devices intermittently they use more energy.
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