| 摘要 |
The present invention relates to a power servo-loop in particular for controlling a power amplifier, the loop comprising a detection circuit (100) having coupling means (1) for taking off RF signals, and a detection unit (400) for delivering a detection signal (Vdet) partially representative of a first RF signal taken off by the coupling means. The detection circuit of the invention comprises, between the coupling means and the detection unit, detection control means (21, 22, 4) for substantially eliminating an "interfering" second RF signal also taken off by the coupling means, such that the detection signal is entirely representative of the first RF signal.
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