其技术特征是：变频逆变电路由时基集成电路和三极管连接而成；
The technical characteristics of the device is: the frequency conversion invert circuit consists of the connection of a time base integrated circuit and a triode;
介绍了一种以555时基集成电路和单片机构成的全数字化温度测量电路及其工作原理。
A kind of totally digitized temperature measuring circuit consisted of 555 time base integrated circuit and MCU and its operation principle are introduced.
该焊机采用“无源引弧器”引弧，引入CMOS、时基、大功率开关等集成电路进行弧焊自动控制。
Welding machine control unit is equiped with no power source arc start unit, CMOS, and high power switch.
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