Pulse or digital communications – Repeaters – Testing
Patent
1985-06-11
1990-03-27
Olms, Douglas W.
Pulse or digital communications
Repeaters
Testing
375 36, 370 851, H04B 138
Patent
active
049127241
ABSTRACT:
A bidirectional data bus arrangement is realized with the use of a single matching resistor. This is achieved by using a current sourcing driver gate which exhibits a low impedance HIGH-state and by using the junction of the series resistor and the transmission line as the receiving node at that end of the line. When the resistor end of the transmission line is receiving data from the other end, the resistor effectively serves as a parallel terminating resistor for the transmission line.
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patent: 3585399 (1971-06-01), Andrews, Jr.
patent: 3657478 (1972-04-01), Andrews, Jr.
patent: 3718762 (1973-02-01), Nezu et al.
patent: 3827026 (1974-07-01), Viswanathan
patent: 4090154 (1978-05-01), Hauchart
patent: 4388725 (1983-06-01), Saito et al.
patent: 4490631 (1984-12-01), Kung
Chin Stephen
Northern Telecom Limited
Olms Douglas W.
Turpin F. P.
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