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Analog Circuit Design Using Tunnel-FETs.

Authors :
Sedighi, Behnam
Hu, Xiaobo Sharon
Liu, Huichu
Nahas, Joseph J.
Niemier, Michael
Source :
IEEE Transactions on Circuits & Systems. Part I: Regular Papers; Jan2015, Vol. 62 Issue 1, p39-48, 10p
Publication Year :
2015

Abstract

Tunnel-FET (TFET) is a major candidate for beyond-CMOS technologies. In this paper, the properties of the TFETs that affect analog circuit design are studied. To demonstrate how TFETs can enhance the performance or change the topology of the analog circuits, several building blocks such as operational transconductance amplifiers (OTAs), current mirrors, and track-and-hold circuits are examined. It is shown that TFETs are promising for low-power and low-voltage designs, wherein transistors are biased at low-to-moderate current densities. Comparing 14-nm III–V TFET-based OTAs with Si-MOSFET-based designs demonstrates up to 5 times reduction in the power dissipation of the amplifiers and more than an order of magnitude increase in their DC voltage gain. The challenges and opportunities that come with the special characteristics of TFETs, namely asymmetry, ambipolar behavior, negative differential resistance, and superlinear operation are discussed in detail. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
15498328
Volume :
62
Issue :
1
Database :
Complementary Index
Journal :
IEEE Transactions on Circuits & Systems. Part I: Regular Papers
Publication Type :
Periodical
Accession number :
100348579
Full Text :
https://doi.org/10.1109/TCSI.2014.2342371