Switching 3-12V adjustable power supply circuit schematic

Adjustable capacitor Murata genuine original

Probe domestic switch needle KG-300K needle head diameter is 3.0mm normally open switch needle

A stabilized voltage supply is an electronic device that provides a stable AC or DC power supply to the load. Including AC regulated power supply and DC regulated power supply two categories. Commonly used regulated power supplies are: 1 ferromagnetic resonant AC voltage regulator. It consists of a saturated choke and a corresponding capacitor with constant voltage volt-ampere characteristics. 2 magnetic amplifier type AC voltage regulator. The magnetic amplifier and the autotransformer are connected in series, and the impedance of the magnetic amplifier is changed by an electronic circuit to stabilize the output voltage. 3 sliding AC voltage regulator. Stabilize the output voltage by changing the position of the sliding contact of the transformer. 4 inductive AC voltage regulator. The output AC voltage is stabilized by changing the phase difference between the transformer and the primary voltage. 5 thyristor AC voltage regulator. A thyristor is used as the power adjustment component. High stability, fast response and no noise. However, it causes interference to communication equipment and electronic equipment. After the 1980s, there were three new types of AC regulated power supplies: compensating AC voltage regulators. Numerically controlled and stepped AC voltage regulators. Purified AC voltage regulator. It has good isolation to eliminate spikes from the grid.