Realisation of exponential V-I converter using composite NMOS transistors
Journal
Electronics Letters
Journal Volume
36
Journal Issue
1
Pages
8-10
Date Issued
2000-01
Date
2000-01
Author(s)
Abstract
A CMOS voltage-to-current converter with exponential characteristics is presented. The Taylor's series expansion is used for realising the exponential function. In a 0.35μm CMOS process, the HSPICE simulation results show a 15dB linear range with a linearity error of < ±0.5 dB. The total power consumption is < 0.8mW with ±1.5V supply voltage. The circuit can be used in the design of a variable gain amplifier (VGA). © IEE 2000.
Other Subjects
Amplifiers (electronic); Computer simulation; MOSFET devices; Power converters; Software package HSPICE; Voltage-to-current converters; CMOS integrated circuits
Type
journal article
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