There are various types of voltage stabilizing circuits, which can be divided into DC voltage stabilizing circuits and AC voltage stabilizing circuits according to the type of output current. According to the connection method between the voltage stabilizing circuit and the load, it can be divided into series voltage stabilizing circuit and parallel voltage stabilizing circuit. According to the working state of the adjustment tube, it is divided into linear regulated power supply and switch regulated power supply. According to circuit types, it can be divided into simple regulated power supplies, feedback regulated power supplies, and regulated circuits with amplification links
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