Topology-independent predistortion for integrator-based filters |
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Authors: | Kazuyuki Wada Shigetaka Takagi Zdzislaw Czarnul Nobuo Fujii |
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Affiliation: | (1) Department of Physical Electronics, Tokyo Institute of Technology, 152 Tokyo, Japan;(2) TOSHIBA CORPORATION, 210 Kawasaki-shi, Japan |
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Abstract: | This paper proposes a topology-independent predistortion for filters using integrators. This employs integrators having the same structure, the same-value elements and an electrically controllable unity-gain frequency and compensates for the deviation of frequency characteristics due to excess phase shifts of integrators without knowledge of a filter topology. The effectiveness of the proposed method is demonstrated through SPICE simulations. |
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Keywords: | predistortion analog filter integrator |
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