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A comparison of substrate noise coupling in heavily doped and lightly doped substrates for mixed-signal circuits

Creator:: Ayers, James S.
Abstract:: An analysis of substrate noise coupling in mixed-signal circuits has been performed in the TSMC 0.25 [mu]m lightly doped and heavily doped CMOS processes. Methods to minimize noise coupling in both the chip design and board design phases are presented along with techniques for accurate circuit simulation of noise coupling....
Resource Type:: Masters Thesis
Full Text:: along with techniques for accurate circuit simulation of noise coupling. Measurements from test chips

Noise measurements, models and analysis in GaAs MESFETs circuit design

Creator:: Yan, Kai-tuan Kelvin
Resource Type:: Dissertation
Full Text:: . Title: Noise Measurements, Models and Analysis in GaAs MESFETs Circuit Design. Abstract approved: L

A substrate noise coupling model for lightly doped CMOS processes

Creator:: Sadate, Aline C.
Abstract:: This thesis presents a design-oriented model for lightly doped CMOS substrates. The model predicts the substrate noise coupling between noisy digital and sensitive analog blocks in the early stages of the design. The model scales with the size and separation of these blocks and it is validated with device simulations...
Resource Type:: Masters Thesis
Full Text:: used to predict noise coupling between an inverter and an amplifier, with both circuit simulations and

Electrical characterization and circuit modeling of interconnections and packages for high speed circuits by time domain measurements

Creator:: Jong, Jyh-ming
Abstract:: With edge rates of high speed digital devices pushing into the sub-nano second range, interconnections with the associated packages play a major role in determining the speed, size and performance of digital circuits and systems. The purpose of this study is to develop experimental techniques based on time domain peeling...
Resource Type:: Dissertation

Computationally efficient substrate noise coupling estimation in lightly doped silicon substrates

Creator:: Srinivasan, Kavitha
Abstract:: A Z-parameter based macromodel for characterizing the substrate noise coupling in a lightly doped substrate at low frequencies has been developed. The model is scalable with contact geometries and separation. The cross-coupling impedance between two contacts is modeled using an improved geometric mean distance formulation. This approach obviates the need...
Resource Type:: Masters Thesis
Full Text:: Figure 1.1. Substrate noise coupling from a digital circuit to an analog circuit

Noise optimization for low-voltage CMOS audio preamplifier systems

Creator:: Brown, Matthew Eugene
Abstract:: There is a large and growing market for portable consumer audio products with very small size. As the size of these products is reduced, the area occupied by batteries becomes significant and hence limits the number of batteries to one. In order to build such small products, high levels of...
Resource Type:: Masters Thesis
Full Text:: this document which will focus on the noise inherent in the circuit devices. 4.2. Zipper Noise

Resonant forward-biased guard rings for suppression of substrate noise in mixed-mode CMOS circuits

Creator:: Ficq, Bernard L.
Abstract:: Previous work at Stanford University has demonstrated that inductance in the substrate connection is the principal problem underlying the coupling of digital switching noise into analog circuits. The low impedance substrate can be treated as a single node over a local area. Switching in the digital circuits produces current transients...
Resource Type:: Masters Thesis
Full Text:: techniques, including the use of new logic circuit families, have been proposed to suppress this noise. This

Analysis and modeling of substrate noise coupling for NMOS transistors in heavily doped substrates

Creator:: Hsu, Shu-ching
Abstract:: This thesis examines substrate noise coupling for NMOS transistors in heavily doped substrates. The study begins with the analysis of an NMOS transistor switching noise in a digital inverter at the device level. A resistive substrate network for the NMOS transistor is proposed and verified. Coupling between N+- P+ contacts...
Resource Type:: Masters Thesis
Full Text:: circuit simulations. This approach works well when supply noise is the dominant source of noise. The work

Automated analysis, design, and optimization of low noise oscillators

Creator:: Vytyaz, Igor
Abstract:: Low noise oscillators are universally needed in digital systems for clock generation and synchronization, and in radio-frequency communication front-ends for frequency up- and down-conversion. Noise in oscillators results in timing jitter, and limits the clock frequency of digital systems. In radio-frequency communication systems, phase noise in oscillators lowers the signal-to-noise...
Resource Type:: Dissertation
Full Text:: approximations that degrade accuracy. Circuit simulators with RF capabilities can account for all noise

A test fixture and deembedding procedure for high-frequency substrate characterization

Creator:: Webb, Kyle M.
Abstract:: At frequencies exceeding 1-2 GHz, the substrate network models used in substrate coupling simulation must account for the reactive nature of the substrate. Unlike at low frequencies, where the purely resistive substrate models can be validated through DC resistance measurements, these high-frequency models, comprising reactive components, must be validated through...
Resource Type:: Masters Thesis
Full Text:: market for portable electronic devices, such as cell phones, PDAs, and digital music players, comes a

ScholarsArchive@OSU

A comparison of substrate noise coupling in heavily doped and lightly doped substrates for mixed-signal circuits

Noise measurements, models and analysis in GaAs MESFETs circuit design

A substrate noise coupling model for lightly doped CMOS processes

Electrical characterization and circuit modeling of interconnections and packages for high speed circuits by time domain measurements

Computationally efficient substrate noise coupling estimation in lightly doped silicon substrates

Noise optimization for low-voltage CMOS audio preamplifier systems

Resonant forward-biased guard rings for suppression of substrate noise in mixed-mode CMOS circuits

Analysis and modeling of substrate noise coupling for NMOS transistors in heavily doped substrates

Automated analysis, design, and optimization of low noise oscillators

A test fixture and deembedding procedure for high-frequency substrate characterization

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