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图中所示的传感器/监视器在探测到了红外(ＩＲ)信号的时候“唤醒”主机系统。它只需要很小的电流,因而可以在笔记本电脑或ＰＤＡ上不间断地工作。它极低的电耗(4μＡ最大值,2.5μＡ典型值)主要是来自比较器/基准器件ＩＣ1的电耗。该电路是用于红外数据结合应用(ＩｒＤＡ)...
The sensor / monitor shown in the figure “wakes up” the host system when an infrared (IR) signal is detected. It requires very little current and therefore can work continuously on a laptop or PDA. Its very low power consumption (4μA max, 2.5μA typ) is mainly due to the power consumption of comparator / reference IC1. This circuit is for infrared data combined application (IrDA) ...