Communications medium having a dual active/passive bus

A communication system incorporating a two conductor transmission bus (40) utilizes a differential mode driver circuit (70). The driver circuit (70) includes a pair of complementary type transistors, PNP (82) and NPN (76), or similar devices, which are driven by complimentary input signals (74,72) t...

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Bibliographic Details
Main Authors HERRMANN, HENRY OTTO, JR, STEELY, LEE WALTER
Format Patent
LanguageEnglish
French
German
Published 30.12.1992
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A communication system incorporating a two conductor transmission bus (40) utilizes a differential mode driver circuit (70). The driver circuit (70) includes a pair of complementary type transistors, PNP (82) and NPN (76), or similar devices, which are driven by complimentary input signals (74,72) to produce the differential signals on the two conductor bus. The bus (40) is terminated so that the characteristic impedance of the bus is maintained when the bus is not being driven.
Bibliography:Application Number: EP19920305115