Presentation 2011-07-22
Concise method of minimum power consumption design of CMOS amplifier using EXCEL sheet
Masayuki UNO,
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Abstract(in English) This paper describes design method for the maximum bandwidth and the optimum transistor size of a CMOS amplifier at each bias current. To handle various operating regions of MOS transistor, MOS transistor's Vgs-I_D characteristic tables on EXCEL-sheet are used. They can lead the maximum gain bandwidth (GB) of the open loop circuit and cut-off frequency (f_c) of the closed loop circuit using parasitic capacitance values of MOS transistor. Optimum transistor sizes can be also calculated on the EXCEL sheet. This basic analysis is useful for the modeling of opamps of various circuit topologies, and it is effective to the top-level design.
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Keyword(in English) CMOS Amplifier / Optimum design / Low power consumption
Paper # ICD2011-33
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Conference Date 2011/7/14(1days)
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Registration To Integrated Circuits and Devices (ICD)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Concise method of minimum power consumption design of CMOS amplifier using EXCEL sheet
Sub Title (in English)
Keyword(1) CMOS Amplifier
Keyword(2) Optimum design
Keyword(3) Low power consumption
1st Author's Name Masayuki UNO
1st Author's Affiliation Linear-Cell Design Corporation()
Date 2011-07-22
Paper # ICD2011-33
Volume (vol) vol.111
Number (no) 151
Page pp.pp.-
#Pages 6
Date of Issue