Weak inversion four-quadrant multiplier and two-quadrant divider
Resource
Electronics Letters
Journal
Electronics Letters
Journal Volume
34
Journal Issue
22
Pages
2079-2080
Date Issued
1998-10
Date
1998-10
Author(s)
Chang, Cheng-Chieh
Abstract
A four-quadrant multiplier and a two-quadrant divider are presented. The proposed circuits are implemented by MOSFETs operating in weak inversion and are therefore suitable for low voltage and low power applications. Their performances were confirmed by HSPICE simulation using a 0.8μm CMOS process. The multiplier can operate under a ±0.75V supply voltage and its linear input range is ∼0.125μA with error < 2%. The input range of the divider is 0.5 - 2μA and the error is < 3% for divider current < 60nA.
SDGs
Other Subjects
CMOS integrated circuits; Computer simulation; Current voltage characteristics; Dividing circuits (arithmetic); Leakage currents; Multiplying circuits; Four quadrant multiplier; Two quadrant multiplier; Weak inversion; MOSFET devices
Type
journal article
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