Paper Information

Journal:   SCIENTIA IRANICA   2014 , Volume 21 , Number 3 (TRANSACTIONS D: COMPUTER SCIENCE AND ENGINEERING AND ELECTRICAL ENGINEERING); Page(s) 945 To 952.
 
Paper: 

A TUNABLE HIGH-Q ACTIVE INDUCTOR WITH A FEED FORWARD NOISE REDUCTION PATH

 
 
Author(s):  MOEZZI M.*, SHARIF BAKHTIAR M.
 
* DEPARTMENT OF ELECTRICAL, SHARIF UNIVERSITY OF TECHNOLOGY, TEHRAN, IRAN
 
Abstract: 

The analysis and design of a tunable low noise active inductor is presented The noise performance of the proposed gyrator-based active inductor is improved without either degrading its quality factor or consuming more power using a linear Feed Forward Path (FFP). The proposed low noise active inductor has been designed and fabricated using standard 0.18-mm CMOS technology. The measurements show a 3 fold improvement in the input noise current compared to that of conventional active inductors. The active inductor was tuned and measured at the resonance frequency of 2.5 GHz, which could be extended as high as 5.5 GHz, with a quality factor of 30. The circuit draws 4.8 mA from a 1.8 V supply.

 
Keyword(s): ACTIVE INDUCTOR, GYRATOR, NOISE, RESONANCE FREQUENCY, QUALITY FACTOR, LINEARITY, TUNABILITY
 
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