This is one of the most common type of power design used in many electronic devices. It is a straightforward and dependable source of power that has been with us since the early days of electrical engineering.
Features of Linear Power Supply
The design consists of the transformer, rectifier filter and regulator circuit. It basically operates in a linear regulator, either series or shunt, to control the output voltage. The major benefits of this type of power supply are low ripple voltage and lower output noise, which is beneficial for the application in very sensitive electronic circuits.
Operation
The power supply operates by rectifying the high-voltage AC input from the mains into a low-voltage one using an AC transformer. This AC voltage is rectified to a DC one, and any remaining ripple is filtered off. The regulator circuit also guarantees that the output voltage at this point settles to its final value.
Applications
The design is widely used in electronic equipment that needs a stable and noise-free source of energy, such as audio devices, instruments and control systems. It also pertains to microcontroller systems and communication devices.
In conclusion
The linear power supply is a design that has been tested and proven to work; it has been used in electronic appliances for over fifty years since it is a simple, reliable and low-output noise source. The device finds application in areas that need a steady, clean power supply.
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