High speed multiplexer with parallel architecture

Details High speed multiplexer with parallel architecture High speed multiplexer with parallel architecture

2006-10-20

2009-10-27

Jain, Raj (Department: 2416)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

Reexamination Certificate

active

07609730

ABSTRACT:
The field of the invention is that of electronic or electro-optical multiplexers for the transmission of digital data at high speed. The device according to the invention makes it possible to multiplex two NRZ-type, binary-coded signals. It mainly comprises: • A generator of four primary signals; • Means of electronically selecting said primary signals controlled by the two initial signals for generating the final multiplexed signal. The selection means are complemented with a logic block for generating four logic signals, all different, dependent on the two initial signals. The main advantage of this device is to allow for the use of so-called ETDM technologies for the transmission of high-speed multiplexed signals inasmuch as the necessary logic circuits operate mainly at a frequency half that of the multiplexed signal. These electronic transmission technologies are less expensive than the so-called OTDM optical technologies.

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