Two-Quadrant CMOS Plug-in Divider

Kuo-Jen LIN  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E91-A    No.9    pp.2682-2684
Publication Date: 2008/09/01
Online ISSN: 1745-1337
DOI: 10.1093/ietfec/e91-a.9.2682
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Circuit Theory
Taylor's series approximation,  current-mode divider,  current-mode multiplier,  mismatch,  

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A two-quadrant CMOS current-mode plug-in divider using a compact 1/x device is presented. The mismatch errors of 1/x device cancel part of mismatch errors of the proposed divider. The simulation results indicate that the plug-in divider is feasible by the proposed approximation method. The adjustable 1/x device could be applied in difference ranges.