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。

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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。

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The operation modes of the interleaved double-transistor flyback converter have been analyzed. The DCM small signal AC model using the averaged switch method has been built up.

本文分析了两路交错并联双管反激变流器的工作模式，采用开关平均法建立了电流断续模式（DCM）下的变流器小信号模型。

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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