H - Electricity – 03 – F
Patent
H - Electricity
03
F
H03F 1/07 (2006.01)
Patent
CA 2646633
A Doherty amplifier system (1) comprises a plurality of sub-amplifiers (2 - 4) the inputs of which are controlled with different phase angles and/or signal amplitudes of an input signal (SI) via a control unit (5). The invention is characterized in that every output of every sub-amplifier (2 - 4) is directly connected to an antenna element (10 - 12) without the output signals of the sub-amplifiers (2 - 4) being combined with each other before they are supplied to the antenna elements (10 - 12).
L'invention concerne un système d'amplificateur de Doherty (1) comportant plusieurs amplificateurs partiels (2-4) dont les entrées sont commandées au moyen d'une unité de commande (5) avec des angles de phase et/ou des amplitudes de signal différents, d'un signal d'entrée (Sl). Selon l'invention, chaque sortie de chaque amplificateur partiel (2-4) est connectée directement à un élément d'antenne (10-12) sans que les signaux de sortie des amplificateurs partiels (2-4) ne soient combinés mutuellement avant transmission aux éléments d'antenne (10-12).
Ridout & Maybee Llp
Rohde & Schwarz Gmbh & Co. Kg
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