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Commonly used control base transistor electronic relays
Source: InternetPublisher:containsmachine Updated: 2019/09/09
Figure a shows an electronic relay controlled by an NPN transistor using +Ec power supply. Figure b shows the NPN transistor grounding control circuit. Figure c shows an electronic relay controlled by a PNP transistor using -Ec. Figure d is an electronic relay with self-generated bias. Latest Control Circuits Circuits
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