Virtually any radio electronic equipmentrequires the use of power supplies. The fact is that the voltage of the network very often does not coincide with what most devices need, especially since they need to ensure a constant and uninterrupted power supply. Too low voltage or high jumps in the network quickly disable any technique. The solution to this issue has been found for a long time already - it is the use of a power supply unit that regulates the voltage and protects the device.
In our time there is a miniaturizationequipment, therefore the transformer circuits of the PSU are already irrelevant. Pulse power supply has a huge number of advantages, among which is to save the winding material, and this is a reduction in the cost of the device, accurate dimensions, reliability, wide operating range. These qualities could not go unnoticed by radio amateurs and professionals. True, there is a drawback: even a simple switching power supply has a complex circuit in the assembly and configuration, but this fact does not stop real masters.
The switching power supply has already proven itselfAs an economical, reliable and easy to use device. Now the manufacturers are only improving the existing models in terms of miniaturization of the element base, as well as improving the reliability of the device itself.
The switching power supply transforms andstabilizes the electrical energy from the AC power grid to the power needed to power the various equipment. Voltage in the network is variable, which is not suitable for many devices and shortens their useful life. The power supply unit protects the equipment by passing only an acceptable voltage that does not exceed the specified limits.