| 摘要 |
The present invention relates to an I/Q demodulator ( 21 ) comprising a n-port structure ( 1,16 ) is provided, wherein n is an integer value of 4,5 or 6. The demodulator ( 21 ) is supplied at a first input ( 3 ) with a RF signal ( 2 ) which has to be demodulated. At a second input ( 5 ) it is supplied with a second RF signal ( 4 ). The n-2 output signals ( 6 ) are detected by power sensors ( 7 ). After low pass filtering ( 14 ) the output signals of the power sensors ( 7 ) are multiplexed by a multiplexing means ( 8 ).
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