| 摘要 |
A RECEIVING CIRCUIT INCLUDES A FIRST ANTENNA 1, A SECOND ANTENNA 2, UNITS 10 AND 11 FOR GENERATING A SUM SIGNAL OR A DIFFERENCE SIGNAL FROM SIGNALS OF TWO PATHS RECEIVED BY THE RESPECTIVE ANTENNAS, A UNIT 12 FOR GIVING DELAY TO EITHER AN OUTPUT OF THE SUM SIGNAL GENERATING UNIT OR AN OUTPUT OF THE DIFFERENCE SIGNAL GENERATING UNIT, A UNIT 13 FOR SUMMATIONALLY COMBINING AN OUTPUT OF THE DELAY UNIT AND THE SIGNAL OF THE NOT-DELAYED PATH, A DESIRED-WAVE PASS FILTER UNIT 14 FOR RECEIVING AN OUTPUT OF THE SUMMATIONALLY COMBINING UNIT, A DIVIDING UNIT 15 FOR RECEIVING AN OUTPUT OF THE DESIRED-WAVE PASS FILTER UNIT, AN ORTHOGONAL DETECTION UNIT 16-19 FOR RECEIVING AN OUTPUT OF THE DIVIDING UNIT, AND A FILTER UNIT 20 AND 21 FOR RECEIVING AN OUTPUT OF THE ORTHOGONAL DETECTION UNIT TO EXTRACT A BASE BAND SIGNAL THEREFROM, WHEREIN THE RECEIVING PATH INCLUDING THE SUMMATIONALLY COMBINING UNIT AND THE FOLLOWING ARE MADE INTO ONE PATH TO THEREBY ATTAIN MINIATURIZATION AND LOW POWER CONSUMPTION. |
