Power combiner for power amplifier
AssigneeTelefonaktiebolaget LM Ericsson (publ)
InventorsMingquan BAO, David GUSTAFSSON
Life of this patent
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Abstract
A power combiner for combing output powers from multiple power cells included in a power amplifier is disclosed. The power combiner includes a current combiner configured to combine output currents from at least two power cells comprised in the power amplifier and a voltage combiner configured to combine output voltages from at least two power cells included in the power amplifier. The voltage combiner and current combiner are connected in cascade.
Claims20
A power combiner for combining output powers from multiple power cells comprised in a power amplifier, the power combiner comprising:
- a current combiner configured to combine output currents from at least two power cells comprised in the power amplifier;
- a voltage combiner configured to combine output voltages from at least two power cells comprised in the power amplifier;
- and
- the voltage combiner and current combiner being connected in cascade.
The power combiner, wherein the voltage combiner comprises one or more transformer or coupled transmission lines, and wherein each transformer or coupled transmission line comprises a primary transmission line having a first input terminal and a first output terminal and a secondary transmission line having a second input terminal and a second output terminal.
A power amplifier comprising a power combiner, the power combiner for combining output powers from multiple power cells comprised in the power amplifier, the power combiner comprising:
- a current combiner configured to combine output currents from at least two power cells comprised in the power amplifier;
- a voltage combiner configured to combine output voltages from at least two power cells comprised in the power amplifier;
- and
- the voltage combiner and current combiner being connected in cascade.
An electronic device comprising a power amplifier, the power amplifier comprising a power combiner, the power combiner for combining output powers from multiple power cells comprised in the power amplifier, the power combiner comprising:
- a current combiner configured to combine output currents from at least two power cells comprised in the power amplifier;
- a voltage combiner configured to combine output voltages from at least two power cells comprised in the power amplifier;
- and
- the voltage combiner and current combiner being connected in cascade.
Dependencies are inferred from the claim text.