Coupling transformer
A technology of coupling transformers and coils, applied in the field of coupling transformers, can solve the problems of large size, inappropriate product miniaturization, and inability to use high-frequency transformers, etc., and achieves the effects of small size, simple structure, and reduced interference.
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[0018] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0019] Such as figure 1 As shown, the coupling transformer 4 of the present invention is composed of an insulating sheath 1, a coil 2 and a magnetic ring 3. The coil 2 includes a primary coil 9 and a secondary coil 10. The material of the magnetic ring 3 is manganese zinc ferrite, and its size specification It is T6×3×3 (that is, the outer diameter of the magnetic ring is 6mm, the inner diameter is 3mm, and the height is 3mm). The coil 2 is formed by winding the primary coil 9 and the secondary coil 10 in parallel, and the two sets of coils are alternately wound and evenly distributed on the 3 circles of the magnetic ring, and the initial
[0020] The taps of the primary and secondary coils are distributed on the same side, the diameter of the coil enameled wire is 0.10mm, the turns ratio of the primary and secondary coils is 1:1.41±3%, and the resistance is less tha...
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