pulse-width signal的用法和樣例：
例句
- The driver circuit comprises a switch, a pulsewidth modulation signal generator and a regulator coupling with the pulsewidth modulation signal generator.
驅動電路包括開關，脈寬調製信號產生器和與脈寬調製信號產生器耦接的調節器。 - In the picture above you can see a modulated signal driving the IR LED of the transmitter on the left side.
上面圖片中你可以看到一個調製信號驅動紅外發光二極體的發射器的左邊。
