| 摘要 |
A power amplifier for a dual antenna is disclosed. The power amplifier comprises at least four controlled amplifier loops receiving a signal to be transmitted. The power amplifier also comprises a first combining structure combining at least two of the amplifier loops and a second combining structure combining at least two of the amplifier loops. The power amplifier also comprises a ninety degree hybrid receiving output from the first and second combining structures and providing output to a first antenna output and a second antenna output.
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