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Flyback transformer
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==Applications== The flyback transformer operates CRT-display devices such as television sets and CRT computer monitors. The voltage and frequency can each range over a wide scale, depending on the device. For example, a large color TV CRT may require 20 to 50 kV with a [[horizontal scan rate]] of 15.734 kHz for [[NTSC]] devices and 15.625 kHz for [[PAL]] devices. Unlike a power (or "mains") transformer, which uses an [[alternating current]] of 50 or 60 [[hertz]], a flyback transformer typically operates with switched currents at much higher frequencies in the range of 15 kHz to 50 kHz.
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