Timing circuit that prohibits restarting
Source: InternetPublisher:武林萌主 Keywords: Timing circuit relay BSP single junction transistor Updated: 2021/11/27
After the power is turned on, when the switch S is closed, the relay KA immediately attracts the stage.
After the switch S is turned off, the KA is released immediately. However, within a certain time period, even if S is closed again, the relay KA will not close.
In the figure, PUT is a programmable single-junction transistor .
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