NDLI: Design of low power low noise tunable active inductors for multiband RF front end communication circuits

Content Provider	IEEE Xplore Digital Library
Author	Manjula, J. Malarvizhi, S.
Copyright Year	2013
Description	Author affiliation: ECE Dept., SRM Univ., Kattangulathur, India (Manjula, J.; Malarvizhi, S.)
Abstract	This paper presents low power tunable active inductors suitable for designing multiband RF front end communication circuit like LNA, BPF and VCO. The active inductor circuit uses PMOS cascode structure as negative transconductor of a gyrator to reduce the noise voltage. Also, this structure provides possible negative resistance to reduce the inductor loss with wide inductive bandwidth and high resonance frequency. To improve the quality factor, a MOS transistor is used as a feedback resistor between the positive transconductor and the negative transconductor. The tuning of quality factor and center frequency for multiband operation is achieved through the controllable current sources. The tunable range of the active inductors varies from 3.9 GHz to 12.3 GHz (without feedback transistor) with the power consumption of 0.6mW and 3.9GHz to 16GHz (with feedback transistor)with the power consumption of 0.65mW. The noise voltage varies from 21nV/√Hz to 7nV/√Hz for the active inductor without feedback transistor and from 12n V/√Hz to 5.612n V/√Hz for the active inductor with feedback transistor. The designed active inductors are simulated in 180nm CMOS process using Synopsys HSPICE tool.
Sponsorship	IEEE Madras Sect.
Starting Page	868
Ending Page	872
File Size	362350
Page Count	5
File Format	PDF
ISBN	9781467348652
e-ISBN	9781467348669
DOI	10.1109/iccsp.2013.6577180
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-04-03
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Q-factor Centre frequency tuning Noise Multiband RF front end Tuning Radio frequency Tuning range Active inductors PMOS cascode pair Quality factor A Active inductor Transistors LNA
Content Type	Text
Resource Type	Article

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