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    • 1. 发明申请
    • PLANAR TRANSFORMER WITH BOARDS
    • 平板变压器与板
    • WO2008132645A1
    • 2008-11-06
    • PCT/IB2008/051473
    • 2008-04-17
    • PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHKONINKLIJKE PHILIPS ELECTRONICS N.V.SCHIENE, WolfgangGREUEL, GeorgBLEUKX, Marc Maria AlexSCHICHL, Roman Siegfried
    • SCHIENE, WolfgangGREUEL, GeorgBLEUKX, Marc Maria AlexSCHICHL, Roman Siegfried
    • H01F27/28H01F19/04
    • H01F19/04H01F27/2804
    • Transformers (1) for transforming primary signals into secondary signals comprise primary and secondary parts that comprise boards (11-14, 21-23) with turns. By introducing distances larger than zero between for example any pair of neighboring boards (11-14, 21-23), parasitic capacitances of the transformers (1) are reduced, and the secondary signals may comprise relatively fast / high voltage pulses having rise times > 1 kV/μsec. To reduce proximity effects and any resulting losses, the primary and secondary boards (11-14, 21-23) may be stacked in interleaved ways. Such sandwich constructions reduce leakage inductances. In a particular direction, distances between subsequent primary boards (11-14, 21-23) and distances between subsequent combinations of primary and secondary boards (11-14, 21-23) are to be increased to further reduce capacitive losses in that particular direction. Relatively low voltage differences may be present between relatively close boards (11-14, 21-23), and relatively high voltage differences may be present between boards (11-14, 21-23) that are relatively far away from each other.
    • 用于将主信号变换成次信号的变压器(1)包括具有转弯的板(11-14,21-23)的主零件和次零件。 通过在例如任何一对相邻板(11-14,21-23)之间引入大于零的距离,变压器(1)的寄生电容被减小,并且次级信号可以包括具有上升时间的相对快速/高电压脉冲 > 1 kV /μsec。 为了减少邻近效应和任何所造成的损失,主板和次板(11-14,21-23)可以以交错方式堆叠。 这种三明治结构减少漏电感。 在特定方向上,要增加后续主板(11-14,21-23)之间的距离以及主板和次板(11-14,21-23)的后续组合之间的距离,以进一步降低该特定板 方向。 相对较小的电路板(11-14,21-23)之间可能存在相对较低的电压差异,并且彼此相对较远的电路板(11-14,21-23)之间可能存在相对高的电压差异。