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Filtering by: Advisor Mayaram, Kartikeya Remove constraint Advisor: Mayaram, Kartikeya Committee Member Liu, Huaping Remove constraint Committee Member: Liu, Huaping Decade 2000-2009 Remove constraint Decade: 2000-2009

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Layout dependent and bias independent scalable substrate model for RF MOSFETs

Creator:

Suravarapu, Ravikanth

Abstract:

The dependence of the substrate resistance, R[subscript sub], for MOS transistor RF modeling on transistor biasing and layout is studied from device simulations and measurements. Though R[subscript sub] is found to be bias dependent, the error incurred by assuming a constant value equal to the DC resistance is not significant....

Resource Type:

Masters Thesis
Modeling and simulation methods for RF MEMS VCOs

Creator:

Sankaranarayanan, Janakiram Ganesh

Abstract:

This work focusses on the modeling and the development of efficient coupled simulation techniques for MEMS based RF oscillators. High-level models for MEMS based varactors have been discussed and their accuracy issues are identified, based on comparisons with numerical simulations. A faster simulation approach based on the time-domain shooting method...

Resource Type:

Masters Thesis
An ultra low power frequency reference for timekeeping applications

Creator:

Oporta, Hector Ivan

Abstract:

An ultra low power crystal oscillator that provides a frequency reference for battery powered timekeeping applications is presented. An amplitude control circuit is employed to ensure that minimum current is consumed. A subthreshold voltage regulator provides a supply voltage for the oscillator with minimum current consumption. The oscillator and regulator...

Resource Type:

Masters Thesis
An enhanced swing differential Colpitts CMOS VCO for low-voltage operation

Creator:

Farahbakhshian, Farhad

Abstract:

An enhanced swing differential Colpitts VCO (ESDC-VCO) dramatically improves the swing of a Colpitts VCO by allowing the signal to swing below ground and above the supply voltage. Fabricated in a 1P8M 0.13 um CMOS process, the ESDC-VCO operates at 4.9GHz with a 0.475-V supply and consumes 2.7mW. The measured...

Resource Type:

Masters Thesis
An ultra low voltage micropower GPS receiver RF front-end for wildlife tracking

Creator:

Heiberg, Adam C.

Abstract:

A fully integrated CMOS GPS receiver RF front end optimized for low power operation is presented. The system operates with a supply voltage down to 250 mV. A prototype has been fabricated in a 0.13μm CMOS process and includes a low voltage LNA, quadrature oscillators, and quadrature mixers. It exhibits...

Resource Type:

Masters Thesis
Comparison and impact of substrate noise due to clocked and clockless circuitry

Creator:

Le, Jim K.

Abstract:

Delay insensitive asynchronous circuitry provides significant advantages with respect to substrate noise due to localized switching. The differences between the substrate noise from NULL Convention Logic (NCL) and traditional Clocked Boolean Logic (CBL) are described and analyzed based on measured results. A test chip fabricated in the TSMC 0.25 um...

Resource Type:

Masters Thesis

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Academic Affiliation

Electrical Engineering and Computer Science5
Electrical and Computer Engineering1

Advisor

Mayaram, Kartikeya[remove]6
Fiez, Terri S.3
Fiez, Terri1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2003 to 2009

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Committee Member

Liu, Huaping[remove]6
Baker, Gregory1
Farsoni, Abdollah1
Fiez, Terri S.1
Hetherington, William1
more Committee Members »

Creator

Farahbakhshian, Farhad1
Heiberg, Adam C.1
Le, Jim K.1
Oporta, Hector Ivan1
Sankaranarayanan, Janakiram Ganesh1
more Creators »

Date

Date range begin – Date range end

Current results range from 2003 to 2008

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Decade

2000-2009[remove]6

Degree Field

Electrical and Computer Engineering6

Degree Level

Master's6

Degree Name

Master of Science (M.S.)6

File Format

application/pdf1

Language

English [eng]6

License

All rights reserved4

Non-Academic Affiliation

Oregon State University. Graduate School6

Peer Reviewed

No4

Resource Type

Masters Thesis6

Rights Statement

In Copyright5
Copyright Not Evaluated1

Subject

Animal radio tracking -- Instruments -- Design and construction1
Asynchronous circuits -- Noise1
Electronic noise1
GPS receivers -- Design and construction1
Low voltage integrated circuits -- Design and construction -- Mathematical models1
more Subjects »

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