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The level shift circuit diagram completed by PNP transistors

2016-05-08 02:16  
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The level shift circuit diagram completed by PNP transistors
PNP transistor forms common-emitter amplifier circuit to ensure that the transistors work in the enlarged area, and the collector level must be less than the base level. So, in the NPN multi-stage DC amplifier circuit, inserting a PNP transistor common-emitter amplifier circuit can complete the displacement of DC level and zoom function.