Analysis of Active Transformers and Their Impact on Voltage Controlled Oscillators

Y, Vikas (2012) Analysis of Active Transformers and Their Impact on Voltage Controlled Oscillators. Masters thesis, Indian Institute of Technology Hyderabad.

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Abstract

The field of wireless communication has undergone a revolution in the past decade or so and RF communication blocks being integral to this revolution their advancement has not gone unnoticed either. Perhaps the only issue that still plagues RF designs apart from a dedicated technology requirement for fabrication purposes is the use of passive components in most on-chip circuit realizations. While a MOS may still mimic an actual capacitance quite successfully in a given voltage regime the same sadly cannot said about the inductor. On-chip passive inductors continue to be the trusted guard in high performing RF front end circuits but occupy as much as 90% if not more of the circuit area. Active inductors and transformers provide us with a suitable on-chip remedy that under certain performance requirements can suitably replace the passive inductors occupying next to nothing area when compared with their passive counterparts. Active inductors and transformers being in their nascent phase many topological variations and circuit modifications affecting the same have been implemented in the past decade or so. We attempt one such modification in the work presented.

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IITH Creators:
IITH CreatorsORCiD
Item Type: Thesis (Masters)
Uncontrolled Keywords: TD64
Subjects: Others > Electricity
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 11 Nov 2014 05:21
Last Modified: 16 Nov 2015 07:03
URI: http://raiith.iith.ac.in/id/eprint/694
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