Communication satellite transponder interconnection utilizing va

Details Communication satellite transponder interconnection utilizing va Communication satellite transponder interconnection utilizing va

1977-12-22

1980-10-14

Griffin, Robert L.

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

343100ST, 455 17, 455 22, H04B 714

Patent

active

042284015

ABSTRACT:
Frequency bands in spot beams received by a satellite transponder are selectively routed to transmitted spot beams. The total band width from each spot beam receiver is divided among a plurality of independently adjustable variable bandpass filters, and the outputs from the selected bandpass filters at each receiver are combined at the spot beam transmitters so that each downlink spectrum is made up of a frequency multiplex of selected bands from each uplink spot beam.

REFERENCES:
patent: 3678387 (1972-07-01), Wilson
patent: 3806653 (1974-04-01), Sommer
patent: 3810255 (1974-05-01), Wachs
patent: 3917998 (1975-11-01), Welti
patent: 4001691 (1977-01-01), Gruenberg
patent: 4002980 (1977-01-01), Herz
patent: 4024350 (1977-05-01), Deman

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