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High isolation cross-over for canceling mutually coupled signals between adjacent stripline signal distribution networks
High isolation cross-over for canceling mutually coupled signals between adjacent stripline signal distribution networks
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机译:高隔离度交叉功能可消除相邻带状线信号分配网络之间的相互耦合信号
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摘要
A stripline isolation cross-over is configured to cancel signals that may be mutually coupled at cross-over points between adjacent stripline networks within a compact multilayer signal distribution architecture, such as one feeding elements of phased array antennas, without a shielding layer between adjacent signal distribution networks. The signal distribution networks includes layers of stripline, patterned on opposite sides of a dielectric layer. Wherever the stripline layers mutually overlap, they are oriented at right angles to one another, and one of the striplines is configured as a pair of power dividers, connected back-to- back via stripline interconnect passing the other stripline layer, to form a signal splitting-recombining stripline pair. The locations where the sections of interconnect cross the second stripline are spaced apart by a half-wavelength of transported signals, so that any signal mutually coupled between the two striplines at each cross-over point will combine antiphase with itself, thereby effectively preventing mutual interference between the two networks.
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