POWER SOURCE

摘要

A power source, including a millivolt power source module (1), an adjustable power source module (2), a diode (D2) and a power amplifier module (3). An output of the adjustable power source module (2) is connected to an output of the millivolt power source module (1) via the diode (D2) and then connected to an input of the power amplifier module (3). The output of the adjustable power source module (2) is connected to the anode of the diode (D2). The output of the millivolt power source module (1) is connected to the cathode of the diode (D2). The output of the power amplifier module (3) is used as an output of the power source. The power source has simple circuitry, small in volume, convenient in operation, low in costs, and suitable for powering a sensor.