The linear power supply is to reduce the voltage amplitude by passing AC through the transformer first, and then get the pulse DC after being rectified by the rectifier circuit, and then get the DC voltage with small ripple voltage through filtering.In order to achieve high-precision DC voltage, it must be regulated by a voltage stabilizing circuit.Classification of DC power supply: DC power supply is divided into two categories: linear DC power supply and high-frequency switching power supply.Advantages and disadvantages: 1. Advantages of linear power supply: stable performance, no high-frequency ripple and other interference.2. Disadvantages of linear power supply: heating, low energy utilization.There is no super power supply to choose from.
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