IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Biasing CMOS amplifiers using MOS transistors in subthreshold region
Manoj BikumandlaJaime Ramírez-AnguloCarlos UrquidiRamon G. CarvajalAntonio J. Lopez-Martin
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2004 年 1 巻 12 号 p. 339-345

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抄録
The implementation of large-valued floating resistive elements using MOS transistors in subthreshold region is addressed. The application of these elements to bias wideband AC coupled amplifiers is discussed. Simple schemes to generate the gate control voltages for the MOS transistors implementing large resistors so that they remain in high resistive state with large signal variations are discussed. Experimental results of a test chip prototype in 0.5-µm CMOS technology are presented that verify the proposed technique.
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© 2004 by The Institute of Electronics, Information and Communication Engineers
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