Index Catalog // ScholarsArchive@OSU

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

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

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

A switched-current bandpass delta-sigma modulator

Creator:: Dalal, Vineet R.
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

A subranging analog to digital converter using four bit pipepline

Creator:: Press, Stephen E.
Abstract:: This thesis presents the design of a 10 bit Analog to Digital Converter which consists of a 6 bit flash followed by a 4 bit pipeline architecture. The total system is described and the 4 bit pipeline is implemented on a bipolar process. The objective of this research is to...
Resource Type:: Masters Thesis

Current-mode flash analog-to-digital converter

Creator:: Maleki, Mohammad
Abstract:: This thesis describes the development of a flash analog-to-digital converter based on current-mode technique. The advantages of current -mode technique are higher speed, smaller chip area, and simple division of reference current based on current mirror. A current-mode comparator is designed consisting of a cascode current mirror and a current...
Resource Type:: Masters Thesis

Adaptive correction techniques for delta-sigma A/D converters

Creator:: Abdennadher, Salem
Abstract:: Oversampling analog-to-digital and digital-to-analog converters are gaining more popularity in many signal processing applications. Delta-sigma modulators are used in practical applications of oversampling systems because of their apparent practical advantage over other oversampling converters in terms of insensitivity to the inevitable imperfection of the analog circuitry. In Δ∑ modulators, analog...
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

Analysis and design of bandpass delta-sigma A/D converters

Creator:: Zhai, Dalun
Abstract:: A new approach to oversampled delta-sigma A/D converters ( AZ modulators ) is introduced, where a differential pseudo-Npath filter stage is used as a basic cell. In this band-pass application, the z to -zN transformation is employed to realize a RAM-type pseudo-2-path lossless integrator. The bandpass second-order and 4th-order delta-sigma...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Low-voltage pipeline A/D converter

Low power high resolution data converter in digital CMOS technology

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

Optimum quantization for the adaptive loops in MDFE

A switched-current bandpass delta-sigma modulator

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

A subranging analog to digital converter using four bit pipepline

Current-mode flash analog-to-digital converter

Adaptive correction techniques for delta-sigma A/D converters

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

Analysis and design of bandpass delta-sigma A/D converters

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