| 摘要 |
PROBLEM TO BE SOLVED: To provide an FSK transceiver with a miniaturized circuit scale. SOLUTION: The FSK transceiver 10 is provided with an antenna 19, a transmission part 20 connected to the antenna 19, a reception part 30 connected to the antenna 19, a plurality of SAW elements 14 that excite SAWs mutually having different frequencies, a first switch part 12 that selects either of the transmission part 20 and the reception part 30 so as to connect it with a plurality of the SAW elements 14, and a second switch part 22 that selects any one of a plurality of the SAW elements 14 when a plurality of the SAW elements 14 are connected to the transmission part 20. COPYRIGHT: (C)2008,JPO&INPIT
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