| 摘要 |
The power supply circuit of this invention includes a constant voltage element which generates an output voltage insensitive to change in ambient temperature, a power supply transistor, to a base of which the output voltage of the constant voltage element is applied and from an emitter of which a power supply voltage is provided, a load connected to an emitter of the power supply transistor and a differential amplifier to one input terminal of which an emitter voltage of the power supply transistor is applied and to the other input terminal of which a voltage corresponding to the output voltage of the constant voltage element is applied, and a voltage corresponding to an output voltage of which is applied to the base of the power supply transistor.
|
