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Filtering by: Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School Rights Statement In Copyright Remove constraint Rights Statement: In Copyright Subject Analog-to-digital converters Remove constraint Subject: Analog-to-digital converters

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Efficient use of time information in analog-to-digital converters

Creator:

Hu, Yue

Abstract:

Time-domain data conversion has recently drawn increased research attention for its highly digital nature in favor of process technology scaling. Also, as the time information being carried by binary voltage, time-domain operation is much less sensitive to voltage noise compared to conventional voltage domain operation. However, for analog-to-digital converter (ADC)...

Resource Type:

Dissertation
Wideband and high accuracy delta sigma modulation data converter

Creator:

Jung, Youngho

Abstract:

Nowadays, needs for wideband and high accuracy analog-to-digital converter are increasing rapidly in manifold applications such as wireless communication, digital video and other consumer electronics. Besides, low power consumption is required to have longer battery life in portable systems. CMOS technology scaling and innovative modulator topology make the implementation much...

Resource Type:

Dissertation
Compensation method of the excess loop delay in continuous-time delta-sigma ADCs based on model matching approach

Creator:

Guo, Jia

Abstract:

Continues-Time (CT) Delta-Sigma (ΔΣ) Analog-to-Digital Converters (ADCs) have one important constrain, namely the excess loop delay. Most previous excess lop delay compensation methods need to know the exact value of the excess loop delay in advance. However, the value of the excess loop delay is a uniformly distribution random variable....

Resource Type:

Masters Thesis
Design techniques for delta sigma modulators using VCO based ADCs

Creator:

Reddy, Karthikeyan

Abstract:

VCO-based ADCs have recently emerged as attractive alternative to conventional DeltaSigma (ΔΣ) modulator architectures. Few salient features of a VCObased ADC are: 1) the quantization noise is 1st order noise shaped, 2) it is an open loop architecture, and, 3) its implementation is mostly digital in nature. Hence, they are...

Resource Type:

Dissertation
Design techniques for VCO based digital sensor readout circuits

Creator:

Prabha, Praveen

Abstract:

Sensors find a variety of applications in portable electronics, automotive and biomedical solutions. The demand for low power and high dynamic range makes the design of digital sensor readout circuits quite challenging. Traditionally, these circuits are realized using amplifiers with passive feedback or precision analog comparators which are power hungry...

Resource Type:

Masters Thesis
Design techniques for time based data converters

Creator:

Gande, Manideep

Abstract:

Modern day CMOS processes are characterized by voltage scaling and geometry scaling. Geometry scaling helps reduce gate delays, thereby aiding in the design of data converters which use time based processing. Another artifact of geometry scaling is the increase in complexity of digital circuitry available on traditional analog ICs, as...

Resource Type:

Dissertation
Time-based noise-shaping techniques for time-to-digital and analog-to-digital converters

Creator:

Young, Brian LeRoy

Abstract:

In this dissertation, time-based signal processing techniques and their applications in oversampling and noise-shaping data converters are examined. These techniques demonstrate the ability to shift the burden of high performance analog circuits from the compressed voltage-domain to the augmented time-domain. First, the potential of high order noise-shaping and phase-domain feedback...

Resource Type:

Dissertation
Power efficient analog-to-digital converters using both voltage and time domain information

Creator:

Oh, Taehwan

Abstract:

As advanced wired and wireless communication systems attempt to achieve higher performance, the demand for high resolution and wide signal bandwidth in their associated ADCs is strongly increased. Recently, time-domain quantization has drawn attention from its scalability in deep submicron CMOS processes. Furthermore, there are several interesting aspects of time-domain...

Resource Type:

Dissertation
Linearizing techniques for voltage controlled oscillator based analog to digital converters

Creator:

Rao, Sachin B.

Abstract:

Voltage controlled oscillator (VCO) based ADC is an important class of time-domain ADC that has gained widespread acceptance due to their several desirable properties. VCO-based ADCs behave like an open-loop continuous time ΔΣ modulator and achieve excellent resolution by first order noise shaping the quantization error. However, the SNDR of...

Resource Type:

Dissertation
Time and statistical information utilization in high efficiency sub-micron CMOS successive approximation analog to digital converters

Creator:

Guerber, Jon

Abstract:

In an industrial and consumer electronic marketplace that is increasingly demanding greater real-world interactivity in portable and distributed devices, analog to digital converter efficiency and performance is being carefully examined. The successive approximation (SAR) analog to digital converter (ADC) architecture has become popular for its high efficiency at mid-speed and...

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Dissertation

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Academic Affiliation

Electrical Engineering and Computer Science21
Electrical and Computer Engineering5

Advisor

Moon, Un Ku13
Temes, Gabor C.5
Hanumolu, Pavan Kumar3
Temes, Gabor3
Fiez, Terri2
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Commencement Year

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Current results range from 1999 to 2015

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Committee Member

Hanumolu, Pavan8
Moon, Un-Ku8
Temes, Gabor6
Liu, Huaping5
Mayaram, Karti5
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Creator

Brown, Thomas (Thomas William)1
Chae, Jeong Seok1
Chennam, Madhusudhan1
Coe, Matthew T.1
Gande, Manideep1
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Date

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Current results range from 1999 to 2014

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Decade

2010-201917
2000-20098
1990-19991

Degree Field

Electrical and Computer Engineering26

Degree Level

Doctoral16
Master's10

Degree Name

Doctor of Philosophy (Ph.D.)16
Master of Science (M.S.)10

Language

English [eng]26

License

All rights reserved23

Non-Academic Affiliation

Oregon State University. Graduate School[remove]26

Peer Reviewed

No25

Resource Type

Dissertation16
Masters Thesis10

Rights Statement

In Copyright[remove]26

Subject

Analog-to-digital converters[remove]26
Modulators (Electronics)8
Metal oxide semiconductors, Complementary3
Voltage-controlled oscillators3
Broadband communication systems2
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