Reconfigurable multiplexer

Details Reconfigurable multiplexer Reconfigurable multiplexer

1985-12-11

1987-08-18

Ng, Jin F.

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

455 17, 455 25, 333 11, H04B 7185

Patent

active

046882596

ABSTRACT:
A dynamically reconfigurable multiplexer (7) has applicability in a space diversity communications system or a polarization reuse communications system. Multiplexer (7) may be situated on board a communications satellite or at the control nexus of a terrestrial microwave communications system. Multiplexer (7) comprises a set of N series-connected field reversible circulators (51). Coupled to one of the three ports of each circulator (51) is a channelizing filter (53), followed by an output isolator (54) and a high power amplifier (55). The electromagnetic energy rotating within each circulator (51) is commanded to move in either a clockwise or counter-clockwise direction, depending upon whether it is desired to access the channel (52) corresponding to said circulator (51) via a first energy source (1) or second energy source (2). An input isolator (43, 44) associated with each antenna (1, 2) absorbs unwanted energy emanating from the opposing antenna (2, 1).

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patent: 4161694 (1979-07-01), Weber et al.
patent: 4206464 (1980-06-01), Hirsch

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