Flyback TransformerFlyback transformer is a separate component of the line scanning unit of a TV set or a monitor. It is used to generate a high voltage at the CRT's second anode and secondary voltages, intended to power CRT's filament circuits, to generate accelerating voltage, to power video amplifiers, to perform frame deflection. It also generates line scanning flyback pulses for the blanking circuit to operate. The product is a conventional transformer with a multiplier in the same package, in abbreviated form - FBT. FBTs also have regulators of focusing and accelerating voltage needed for kinescope's operating function.Flyback transformer performs the basic operability function of line scanning in television receivers or monitors.Line scanning actuating pulses arrive at the prestage, and then are amplified in power. Prestage load is represented by a transistor and a transformer, which matches the preamp with the output stage. From secondary winding flyback pulses go to the output stage. It is built as a circuit with high-power transistor series feed with built-in damper diode. An important function in FBTs is performed by load circuits of line-deflection and frame-deflection coils, which influence the functional process of scanning in television receivers or monitors.Structurally, the transformer is made in the form of several windings of cylindrical form, filled with epoxy resin with a plasticizer. Diodes of the anode section are also filled with resin along with ...
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