| US 7,548,732 B2 | ||
| Power amplifier arrangement having two or more antenna coupling respective amplifiers to a supply potential | ||
| Josef Fenk, Eching/Ottenburg (Germany) | ||
| Assigned to Infineon Technologies AG, Munich (Germany) | ||
| Filed on Jan. 05, 2005, as Appl. No. 11/29,853. | ||
| Claims priority of application No. 10 2004 001 236 (DE), filed on Jan. 07, 2004. | ||
| Prior Publication US 2005/0181751 A1, Aug. 18, 2005 | ||
| Int. Cl. H04B 1/04 (2006.01) | ||
| U.S. Cl. 455—127.3 [330/124 R] | 19 Claims |
| 1. A power amplifier arrangement, comprising:
an input;
a first signal path coupled to the input and comprising a first amplifier;
a first antenna in the first signal path coupled to one output of the first amplifier;
a second signal path coupled to the input and comprising a second amplifier;
a second antenna in the second signal path coupled to one output of the second amplifier; and
a control device coupled to the first signal path and the second signal path, and configured to selectively activate and deactivate
the first and second amplifiers as a function of a desired gain of the power amplifier arrangement,
the first and the second amplifiers coupled to a supply potential connection at an output via the respecively associated first
and second antennas.
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