Circuit outputting adjustable positive and negative or zero-temperature coefficient electrical current and voltage reference
A technology with negative temperature coefficient and zero temperature coefficient, which is applied in the field of circuits, can solve the problems of increased difficulty in the design of operational amplifiers, and achieve the effect of reducing the layout area and simplifying the circuit structure
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[0024] Output adjustable positive, negative or zero temperature coefficient current, voltage reference circuit, as shown in Figure 1 circuit structure diagram, is divided into start-up circuit 1, positive and negative temperature coefficient current generation circuit 2, stable feedback and negative temperature coefficient current output Circuit 3, a current reference with adjustable temperature coefficient, and a voltage reference synthesis circuit 4 are composed of four parts. The direct current input terminals of the four parts of the circuit are respectively connected to the direct current power supply VCC. The output terminal of the starting circuit is connected to the input terminal of the positive and negative temperature coefficient current generation circuit; the first terminal output of the positive and negative temperature coefficient current generation circuit is connected to the input of the feedback circuit, and the second and third terminal outputs are connected ...
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