Abstract
A new point-to-point cascade bus architecture and pseudo-differential current signaling present, which is called WiseBus/spl trade/. The proposed transmitter using capacitive coupling error cancellation and fast cut-off scheme compensates an inherent charge error and duty error of output current. The receiver makes high common noise rejection between reference and data using perfectly matched gain-enhanced regulated cascode buffer. The advantage of proposed interface is very low power consumption and low EMI using small current signal (/spl plusmn/100/spl mu/A) and small signal loop area, and it is suitable for large size LCD TV due to point-to-point cascade bus configuration.
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