| 摘要 |
A data carrier (1) on which a carrier signal (TS) can be applied to an electric circuit (3), comprises supply voltage generation means (6) which are arranged for generating a DC supply voltage (U) that can be tapped from a supply tapping point (10) while use is made of the carrier signal (TS), and further includes control means (11) for controlling the DC supply voltage (U) in accordance with a controlled variable signal (CV) that represents the carrier signal (TS) occurring at a control means circuit point (20), and further includes decoupling means (49) with the aid of which the control means circuit point (20) and the supply circuit point (10) can be decoupled from each other.
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