FIELD: balanced distribution lines for data processing and transmission. SUBSTANCE: printed-circuit board has parallel conducting tracks on face side arranged with approximately same overlap as conducting tracks on its underside. Plug connectors using such boards provide for crosstalk attenuation around 60 dB without any correcting measures for all types of receptacles between all contact pairs. EFFECT: reduced expenses for crosstalk noise correction. 7 cl, 4 dwg
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