This constant voltage system key lies in the control system the design, and switch transistor choice and application.

该稳压系统的关键在于控制系统的设计，及开关晶体管的选择及应用。

youdao

In this switching power supply, the novel mode of serial two-transistor is adopted to solve the difficulty of choosing switch transistor under the condition of high-voltage input.

该开关电源采用新颖的双管串联模式，解决了高电压输入条件下开关管的选用难题。

youdao

The resistor and the capacitor together were the timer, and the transistor worked as the switch.

电阻器和电容器一起组成计时器，晶体管作为开关。

youdao

This paves the way for new insulating materials which allow the transistor to switch faster, but are not tolerant of high temperatures.

ECONOMIST: Transistors: A tall story | The

Last year Hewlett-Packard, along with a team of scientists from UCLA, proved the ability to make a switch that could be turned off and on, like a transistor, out of a single organic molecule called a catenane.

FORBES: The Science of Small

Last year Hewlett-Packard, along with a team of scientists from UCLA, proved that it is possible to make a switch that can be turned off and on, like a transistor, out of a single organic molecule called a catenane.

FORBES: The science of small