Bandgap reference source is an important unit in integrated circuits, which supplied reference voltage or current independent of temperature and supply voltage.
带隙基准源是集成电路中的重要单元，输出不随温度、电源电压变化的基准电压或电流。
In their ideal form, voltage sources generate a constant voltage independent of the current drawn from the source.
理想条件下，电源产生的电压与电源送出的电流是无关的。
Figure 1 ideal current sources in circuit theory, an ideal current source is a circuit element where the current through it is independent of the voltage across it.
图1理想电流源在电路理论，理想电流源电路元件的电流通过时与其两端的电压无关。
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