Pulse width Modulation device is a circuit which can produce square wave signal with fixed period and adjustable pulse duration ratio (pulse width).
脉宽调制器是一种能够产生周期固定而占空比(脉宽)可调的方波信号的电路。
2
Side view of square head bolt with adjustable thread length.
螺纹长度可调整的平头一字槽螺钉的侧面图。
3
The work chamber adopt the mirror-surface stainless steel, four-square semi-circle arc, which is easy for cleaning. The distance between shelves is adjustable.