Improvement to Current Mode Data Bus Incorporating Integrated Coupler Circuitry

An interface assembly for use with a current mode data bus. The interface assembly couples to an existing current mode data bus and includes a length of unshielded data bus disposed on a printed circuit board. A plurality of coupler magnetic assemblies are disposed on the circuit board and interface...

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Hauptverfasser: EBBINGA THEODORE C, EDWARDS WAYNE A
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creator EBBINGA THEODORE C
EDWARDS WAYNE A
description An interface assembly for use with a current mode data bus. The interface assembly couples to an existing current mode data bus and includes a length of unshielded data bus disposed on a printed circuit board. A plurality of coupler magnetic assemblies are disposed on the circuit board and interface with the unshielded portion of the data bus. A corresponding plurality of coupler circuits are disposed on the circuit board and each cooperate with an associated one of the coupler magnetic assemblies. Providing all of the coupler magnetic assemblies and coupler circuits on the printed circuit board reduces the susceptibility of the unshielded data bus portion to EMI and enables more consistent data channel characteristics to be achieved. An alternative embodiment includes an entire current mode data bus formed on a printed circuit board with terminators at each end of an unshielded portion of the data bus.
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The interface assembly couples to an existing current mode data bus and includes a length of unshielded data bus disposed on a printed circuit board. A plurality of coupler magnetic assemblies are disposed on the circuit board and interface with the unshielded portion of the data bus. A corresponding plurality of coupler circuits are disposed on the circuit board and each cooperate with an associated one of the coupler magnetic assemblies. Providing all of the coupler magnetic assemblies and coupler circuits on the printed circuit board reduces the susceptibility of the unshielded data bus portion to EMI and enables more consistent data channel characteristics to be achieved. 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subjects CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
PRINTED CIRCUITS
TECHNICAL SUBJECTS COVERED BY FORMER USPC
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title Improvement to Current Mode Data Bus Incorporating Integrated Coupler Circuitry
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