Amplifier system for satellites

Details Amplifier system for satellites Amplifier system for satellites

2006-03-21

2006-03-21

Vuong, Quochien B. (Department: 2685)

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

C455S013400, C330S12400D

Reexamination Certificate

active

07016645

ABSTRACT:
The present invention relates to an amplifier system for satellites, in particular for radio-frequency amplifier systems incorporating travelling wave tube amplifiers and used in space repeaters. The amplifier system (1) includes two amplifier modules (A1, A2) each having an input and an output, a signal divider (D) having an input, a first output, and a second output, a signal combiner (C) having a first input, a second input and an output. The first output of the divider (D) is connected to the input of the first amplifier module (A1) via a connection length Le1. The second output of the divider (D) is connected to the input of the second amplifier module (A2) via a connection length Le2. The output of the first amplifier module (A1) is connected to the first input of the combiner (C) via a connection length Ls1. The output of the second amplifier module (A2) is connected to the second input of the combiner (C) via a connection length Ls2. The connection length satisfies the equation Le1+Ls1=Le2+Ls2and the connection length Ls1is different from the connection length Ls2.

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