H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 25/03 (2006.01) H03K 19/003 (2006.01)
Patent
CA 2289357
A signal transmitter for transmitting digital logic signals and a complementary receiver, are disclosed. The signal transmitter comprises a plurality of signal drivers and at least one reference driver. The signal drivers transmit digital signals, while the reference driver transmits a constant signal representative of a digital HI or LO. The signal and reference drivers are interconnected so that any noise due to package and power supply interconnection impedances is present in all transmitted signals including any reference signals. At a receiver, the reference signal including noise is used to establish threshold levels for digital HI and LO signals. Because noise is common to all transmitted signals, the receiver is able to reduce the effects of the noise by comparing the plurality of received signals with the reference signal.
Nortel Networks Corporation
Nortel Networks Limited
Smart & Biggar
LandOfFree
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