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Filtering by: Academic Affiliation Electrical and Computer Engineering Remove constraint Academic Affiliation: Electrical and Computer Engineering Resource Type Masters Thesis Remove constraint Resource Type: Masters Thesis Subject Analog-to-digital converters Remove constraint Subject: Analog-to-digital converters

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Resolution enhancement of analog-to-digital converters through computationally simple digital filtering

Creator:

Zahl, Eric L.

Abstract:

The resolution of analog-to-digital converters can be distinguished as absolute resolution, or average resolution. This study reviews average resolution enhancement techniques and proposes a method which is particularly applicable as a low-cost modification to a high-speed waveform acquisition system. This method uses oversampling combined with computationally simple digital filtering to...

Resource Type:

Masters Thesis
Optimum quantization for the adaptive loops in MDFE

Creator:

Parthasarathy, Priya

Abstract:

Multi-level decision feedback equalization (MDFE) is a sampled signal processing technique for data recovery from magnetic recording channels which use the 2/3(1,7) run length limited code. The key adaptive feedback loops in MDFE are those which perform the timing recovery, gain recovery, dc offset detection, and adaptive equalization of the...

Resource Type:

Masters Thesis
Low-voltage pipeline A/D converter

Creator:

Wu, Lei

Abstract:

Continuous process scale-down and emerging markets for low-power/low-voltage mobile systems call for low-voltage analog integrated circuits. Switched-capacitor (SC) circuits are the building blocks for analog signal processing and will encounter severe overdrive problems when operating at low voltage conditions. There exist three techniques to solve the problem, but with their...

Resource Type:

Masters Thesis
Low power high resolution data converter in digital CMOS technology

Creator:

Zheng, Zhiliang

Abstract:

The advance of digital IC technology has been very fast, as shown by rapid development of DSP, digital communication and digital VLSI. Within electronic signal processing, analog-to-digital conversion is a key function, which converts the analog signal into digital form for further processing. Recently, low-voltage and low-power have become also...

Resource Type:

Masters Thesis
Improving a sampled-data circuit simulator for Delta-Sigma modulator design

Creator:

Hayward, Roger D.

Abstract:

Delta-Sigma Modulator-based Analog-to-Digital converter design is an active area of research. New topologies require extensive simulations to verify their performance. A series of improvements were made to an existing circuit simulation package in order to speed the simulation process for the designer. Various examples of these improvements are presented in...

Resource Type:

Masters Thesis
Error canceling low voltage SAR-ADC

Creator:

Wen, Jianping

Abstract:

The design of a switched capacitor successive approximation A/D converter is discussed in this thesis. This design adopts a novel capacitance mismatch error cancellation algorithm proposed in references [25, 27]. Detailed charge domain analysis is given in this thesis, which results in an improvement of the proposed algorithm by tracing...

Resource Type:

Masters Thesis
Effects and compensation of the analog integrator nonidealities in dual-quantization delta-sigma modulators

Creator:

Yang, Yaohua, 1969-

Resource Type:

Masters Thesis
Digital implementation of a mismatch-shaping successive-approximation ADC

Creator:

Coe, Matthew T.

Abstract:

Utilizing a two-capacitor topology, the digital implementation of an audio-band successive-approximation analog-to-digital converter (ADC) is explored in the context of mismatch-shaping where the mismatch estimates are accurate to the first order. A second-order Δ∑ loop was found to be effective in system simulations given a 0.1% capacitor mismatch. Spectral analysis...

Resource Type:

Masters Thesis
Design of high-speed summing circuitry and comparator for adaptive parallel multi-level decision feedback equalization

Creator:

Gao, Hairong

Abstract:

Multi-level decision feedback equalization (MDFE) is an effective sampled signal processing technique to remove inter-symbol interference (ISI) from disk read-back signals. Parallelism which doubles the symbol rate can be realized by utilizing the characteristic of channel response and decision feedback equalization algorithm. A mixed-signal IC implementation has been chosen for...

Resource Type:

Masters Thesis
Design of current-mode track and hold circuits

Creator:

Chennam, Madhusudhan

Abstract:

A differential current-mode track-and-hold (T/H) amplifier is used to sample an analog input signal. A new closed-loop current-mode architecture has been developed that overcomes the stability problems associated with closed-loop architectures. The T/H circuit has been fabricated in a 0.35-μm quad-metal, double-poly CMOS process. The measured total harmonic distortion (THD)...

Resource Type:

Masters Thesis

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Academic Affiliation

Electrical and Computer Engineering[remove]16

Advisor

Moon, Un Ku5
Temes, Gabor C.5
Kiaei, Sayfe3
Schreier, Richard2
Allstot, David J.1
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Commencement Year

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Current results range from 1990 to 2003

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Committee Member

Kiaei, Sayfe2
Schultz, Robert J.2
Temes, Gabor2
Herzog, James H.1
Koretsky, Milo1
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Creator

Abdennadher, Salem1
Chennam, Madhusudhan1
Coe, Matthew T.1
Dalal, Vineet R.1
Gao, Hairong1
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Date

Date range begin – Date range end

Current results range from 1989 to 2002

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Decade

2000-20094
1990-199911
1980-19891

Degree Field

Electrical and Computer Engineering16

Degree Level

Master's16

Degree Name

Master of Science (M.S.)16

File Format

application/pdf1

Language

English [eng]16

License

All rights reserved2

Non-Academic Affiliation

Oregon State University. Graduate School16

Peer Reviewed

No15

Resource Type

Masters Thesis[remove]16

Rights Statement

Copyright Not Evaluated11
In Copyright5

Subject

Analog-to-digital converters[remove]16
Low voltage integrated circuits2
Modulators (Electronics)2
Adaptive signal processing1
Cascade converters1
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