Signal repeater using shared amplification with selectable input

Details Signal repeater using shared amplification with selectable input Signal repeater using shared amplification with selectable input

1989-07-24

1991-07-16

Eisenzopf, Reinhard J.

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

455 17, 455 22, 455103, 455189, 333101, H04B 7185

Patent

active

050331086

ABSTRACT:
A signal repeater assembly (1) for a spacecraft, includes a channel selectivity network (CSN) (2) having a plurality of first input ports (4-13) connected by selectively operable filter circuits (14-23) to a plurality of first output ports (24-31) to enable a signal at any selected first input port (4-13) to be passed to any selected first output port (24-31). The CSN (2) is connected to a shared power amplification module (SPAM) (3) having a plurality of second input ports (44-51) for receiving signals from the first output ports (24-31), a plurality of second output ports (52-59) and a network (60) of balanced amplifier devices (61) operable to couple the second input ports (44-51) to the second output ports (52-59) so that any amplification of a signal received at any one of the second input ports (44-51) is shared by all the amplifier devices (61) to allow the total available amplification power to be used by any one or a combination of second output ports (52-59).

REFERENCES:
patent: 3808566 (1974-04-01), Thompson et al.
patent: 3917998 (1975-11-01), Welt, I
patent: 4618831 (1986-10-01), Egami et al.
patent: 4706239 (1987-11-01), Ito et al.
patent: 4858229 (1989-08-01), Rosen et al.
patent: 4901085 (1990-02-01), Spring et al.

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