A 12.5Gb/s/link non-contact multi drop bus system with impedance-matched Transmission Line Couplers and Dicode partial-response channel transceivers

A reduced-reflection multi-drop bus system using Dicode (1-D) partial response signaling transceiver is presented for the first time in the world. Directional couplers on transmission lines arranged with equi-energy distributing and exact impedance matched conditions allow the bus to reach to 12.5Gbps/link speed, which is the world's fastest data link speed with multi-drop bus architecture. Dicode partial-response signaling method with a half-rate architecture was used where a precoder is placed in the transmitter to make the signal best fit for the channel to eliminate inter symbol interference (ISI).