Transistor electronic relay circuit diagram controlling base
Source: InternetPublisher:狂妄火龙果 Keywords: transistor circuit diagram Updated: 2020/08/27
as the picture shows. 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.
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