Band-gap reference voltage source without resistor or operational amplifier
A reference voltage source, no op amp technology, applied in the direction of adjusting electrical variables, control/regulating systems, instruments, etc., can solve problems such as large area and complex structure, and achieve a layout area, simple circuit structure, and simple circuit structure. Effect
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[0011] like figure 1 As shown, a resistance-free and no-op-amp bandgap reference voltage source circuit according to the present invention is described. Including the first PMOS transistor P1, the second PMOS transistor P2, the third PMOS transistor P3, the fourth PMOS transistor P4, the fifth PMOS transistor P5, the first NMOS transistor N1, the second NMOS transistor N2, the third NMOS transistor N3, the Four NMOS transistors N4, fifth NMOS transistor N5, sixth NMOS transistor N6, seventh NMOS transistor N7 and first BJT transistor Q1. The gate of the first PMOS transistor P1 is respectively connected to the gate of the second PMOS transistor P2, the drain of the second PMOS transistor P2, the gate of the third PMOS transistor P3, the gate of the fourth PMOS transistor P4 and the fifth The gate of the PMOS transistor P5; the drain of the first PMOS transistor P1 is respectively connected to the emitter of the first BJT transistor Q1, the gate of the second NMOS transistor N...
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