Time Difference Amplifier with Robust Gain Using Closed-Loop Control
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概要
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This paper presents a Time Difference Amplifier (TDA) that amplifies the input time difference into the output time difference. Cross coupled chains of variable delay cells with the same number of stages are applicable for TDA, and the gain is adjusted via the closed-loop control. The TDA was fabricated using 65nm CMOS and the measurement results show that the time difference gain is 4.78 at a nominal power supply while the designed gain is 4.0. The gain is stable enough to be less than 1.4% gain shift under ±10% power supply voltage fluctuation.
著者
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NAKURA Toru
VLSI Design and Education Center (VDEC), The University of Tokyo
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MANDAI Shingo
Dept. of Electronic Engineering, The University of Tokyo
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IKEDA Makoto
VLSI Design and Education Center (VDEC), The University of Tokyo
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ASADA Kunihiro
VLSI Design and Education Center (VDEC), The University of Tokyo
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