如图所示为轴温报警电路。该报警器由传感元件、时基电路IC1(555)、继电器等组成。本电路中传感元件采用感温二极管(QL型)。一般将其置入车轴箱内。通过一个自闭插头接入本电路板上。感温二极 ...
The soft switching is enabled by a BD131 transistor wired as a switch in emitter follower configuration. The collector is wired to a permanent supply voltage, the 2H series ind ...
a)图是PNP管延时释放电路
b)图是NPN管延时释放电路
a)图是PNP型晶体管反相器
b)图是NPN型晶体管反相器
