Index Catalog // ScholarsArchive@OSU

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

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

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

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

Accurate and efficient simulation of synchronous digital switching noise in system on a chip

Creator:: Habal, Husni
Abstract:: A new method is presented to compress switching information in large digital circuits. This is combined with an efficient approach of generating the noise signatures of cells in a digital library that results in an accurate and efficient approach for estimating the noise generated in digital circuits. This method provides...
Resource Type:: Masters Thesis
Full Text:: flip-flop ........................... 27 5.2 The noise spectrum for the PWM circuit. The top figure

An efficient and accurate method of estimating substrate noise coupling in heavily doped substrates

Creator:: Arunachalam, Sasi Kumar S.
Abstract:: This thesis presents a Z-parameter based model to predict the substratenoise coupling between two contacts in a heavily doped substrate for frequenciesless than 2 GHz. The empirical model is scalable with contact size and spacingsbetween the contacts and model parameters can be readily extracted from simu-lated or measured data. The...
Resource Type:: Masters Thesis
Full Text:: : An Efficient and Accurate Method of Estimating Substrate Noise Coupling in Heavily Doped Substrates

A comparison of substrate noise coupling in lightly and heavily doped CMOS processes for 2.4 GHz LNA's

Creator:: Hazenboom, Duncan S.
Abstract:: Three types of low noise amplifiers operating at 2.4GHz were designed. They are the commonly used single-ended and differential amplifiers as well as a new quasi-differential amplifier. The substrate noise injected into these amplifiers is examined for both heavily and lightly doped CMOS substrates. For the single-ended amplifier the noise...
Resource Type:: Masters Thesis
Full Text:: is shown that the intermodulation noise is not reduced in a differential amplifier circuit. The

Simulation, measurement, and suppression of digital noise in mixed-signal integrated circuits

Creator:: Owens, Brian E.
Abstract:: Strategies for simulation and measurement of substrate noise have been analyzed using various digital and analog circuits fabricated in the TSMC 0.35um heavily doped CMOS process. The measurements validate a substrate noise coupling macromodel that has been used to obtain the simulation results. The simulations and measurements also substantiate the...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

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

A substrate noise coupling model for lightly doped CMOS processes

Computationally efficient substrate noise coupling estimation in lightly doped silicon substrates

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

Accurate and efficient simulation of synchronous digital switching noise in system on a chip

An efficient and accurate method of estimating substrate noise coupling in heavily doped substrates

A comparison of substrate noise coupling in lightly and heavily doped CMOS processes for 2.4 GHz LNA's

Simulation, measurement, and suppression of digital noise in mixed-signal integrated circuits

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