An Analysis on a Dynamic Amplifier and Calibration Methods for a Pseudo-Differential Dynamic Comparator
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概要
- 論文の詳細を見る
This paper analyzes a pseudo-differential dynamic comparator with a dynamic pre-amplifier. The transient gain of a dynamic pre-amplifier is derived and applied to equations of the thermal noise and the regeneration time of a comparator. This analysis enhances understanding of the roles of transistor's parameters in pre-amplifier's gain. Based on the calculated gain, two calibration methods are also analyzed. One is calibration of a load capacitance and the other is calibration of a bypass current. The analysis helps designers' estimation for the accuracy of calibration, dead-zone of a comparator with a calibration circuit, and the influence of PVT variation. The analyzed comparator uses 90-nm CMOS technology as an example and each estimation is compared with simulation results.
- The Institute of Electronics, Information and Communication Engineersの論文
- 2012-02-01
著者
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PAIK Daehwa
Department of Physical Electronics, Tokyo Institute of Technology
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MIYAHARA Masaya
Department of Physical Electronics, Tokyo Institute of Technology
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MATSUZAWA Akira
Department of Physical Electronics, Tokyo Institute of Technology
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Matsuzawa Akira
Department Of Physical Electronics Tokyo Institute Of Technology
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Paik Daehwa
Department Of Physical Electronics Tokyo Institute Of Technology
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Miyahara Masaya
Tokyo Inst. Of Technol. Tokyo Jpn
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Miyahara Masaya
Department Of Physical Electronics Tokyo Institute Of Technology
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Matsuzawa Akira
Department Of Physical Electronics Graduate School Of Science And Engineering Tokyo Institute Of Technology
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