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In electronics, an oscillator is a device capable of converting energy from DC to AC of a certain frequency. In other words, this is a circuit that is capable of converting the direct current into a current that varies periodically in time (periodic current); these oscillations can be sinusoidal, square, triangular, etc., depending on the shape of the wave produced. A square wave oscillator is often referred to as a multivibrator and therefore are called oscillators only to those that operate by the natural oscillation principle. Although not an electronic oscillator as defined above, the first oscillation to be taken into account is that produced by an alternator, which, being composed of a turn that rotates about its longitudinal axis in the interior of a magnetic field, produces an induced electric current at the terminals of the spiral. An oscillator is an important component in electrical, mechanical, industrial, and even in the medical field. No matter what field or application you use them in, you can easily buy them in large quantity at Poolking. We bring you some really well-known manufacturers and suppliers of oscillators in the industry.