| 摘要 |
A transponder ( 400 ) comprising an antenna ( 401 ) and an antenna voltage limiter circuit ( 404 ) adapted to limit an antenna voltage to a first voltage limit (VPEAK 1 ) when the transponder ( 400 ) is in a first operation mode ( 504 ) and to a second voltage limit (VPEAK 2 ) when the transponder ( 400 ) is in a second operation mode ( 505 ), wherein the first operation mode ( 504 ) is a mode in which the transponder ( 400 ) receives data, and the second operation mode ( 505 ) is a mode in which the transponder ( 400 ) sends data.
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