该电池充电器应符合国家的电池标准，并减少其输出到电流充电电池时完全不同。
The battery charger shall respond to the state of the battery and reduce its output to a trickle charge when the battery becomes fully charged.
为了给智能仪表提供廉价标准电流信号输出接口，可以使用RC低通滤波器，从PWM中分离出与占空比成正比的线性直流电压信号。
To provide intelligent instruments with the cheap interface of the standard current sign, the RC low pass filter is used for producing a voltage signal which is proportion to PWM's duty rate from PWM.
该发射器还具有校准和放大传感器信号，而这是现有标准电压或电流输出。
The transmitters also have calibrated and amplified sensor signals, which are available as standardised voltage - or current outputs.
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