A Realization of a Common-Source FG-MOSFET with a Simple Electronic Vth Adjustment Almost Irrelevant to the Amount of the Pre-stored Charge on the Floating Gate

Takahiro INOUE  Eizo ICHIHARA  Toshitaka YAMAKAWA  Akio TSUNEDA  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E87-A   No.3   pp.753-756
Publication Date: 2004/03/01
Online ISSN: 
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Analog Signal Processing
floating-gate MOSFET,  threshold voltage,  Vth adjustment,  

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A simple CMOS Vth-adjustment method for a common-source floating-gate MOSFET(FG-MOSFET) is proposed. The apparent threshold voltage Vtha of an FG-MOSFET can be defined by a reference voltage Vref and/or a reference current Iref being almost irrelevant to the pre-stored charge on the floating gate.