High speed solid state multiplexer

Details High speed solid state multiplexer High speed solid state multiplexer

1983-12-22

1985-06-18

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

307243, 328154, 328104, H04J 304, H04K 1908

Patent

active

045244430

ABSTRACT:
A multiplexing apparatus for outputting selected input signals utilizes input transistors coupled between input sources and diodes. A first set of switching transistors, coupled to the input transistors and the diodes, blocks the outputting of nonselected input signals by applying a predetermined voltage to the anodes of corresponding diodes. A second set of switching transistors, coupled to the input transistors and the diodes, permits the outputting of selected input signals on the emitters of output transistors coupled to the diodes, by applying current to the emitters of corresponding input transistors, and the anodes of corresponding diodes.

REFERENCES:
patent: 3760358 (1973-09-01), Isii et al.
patent: 3783307 (1974-01-01), Brever
patent: 3832494 (1974-08-01), Seim et al.
patent: 3838296 (1974-09-01), McLeod
patent: 4223235 (1980-09-01), Rufray
patent: 4354266 (1982-10-01), Copperman et al.

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