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AΔ based DC-DC converter with supply noise suppression
2007 Edition, August 1, 2007 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

An architecture that reduces the effects of supply noise on the regulated output of a DC-DC converter has been proposed. The structure consists of a sigma-delta modulator which drives the half bridge switches directly. The output of the quantizer is...

∑-Δ based force-feedback capacitive micro-machined sensors: Extending the input signal range
2017 Edition, October 1, 2017 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Operating MEMS capacitive sensors in negative feedback mode results in improved bandwidth, and lower sensitivity to process and temperature variation. Feedback operation is achieved by applying a feedback voltage to the actuation electrodes of the sensor, generating a corresponding...

δ-Norm-Based Robust Regression With Applications to Image Analysis
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Up to now, various matrix norms (e.g., l₁-norm, l₂-norm, l2,1-norm, etc.) have been widely leveraged to form the loss function of different regression models, and have played an important role in image analysis. However, the previous regression models adopting the existing norms are sensitive to...

A Δ∑ modulator based frequency hopping approach
2007 Edition, August 1, 2007 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A novel approach to frequency hopping using a continuous time bandpass (CTBP) DeltaSigma modulator with fractional delay and a manchester encoder/decoder is presented. Suitability of the proposed architecture is discussed in the context of a software defined radio...

A simplified single-inductor dual-output DC-DC buck converter architecture with a fully digital Σ-Δ based controller
2015 Edition, March 1, 2015 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this paper, a fully digital single-inductor dualoutput (SIDO) DC-DC Buck converter architecture is presented. The proposed converter features a simplified control loop that eliminates duplication of the controller sub blocks and allows for use of...

Clock Jitter Analysis of Continuous-Time Σ Δ Modulators Based on a Relative Time-Base Projection
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents a novel approach to analyze clock jitter influence in the performance of continuous-time sigma-delta modulators. The analysis is based on projecting all the signals and operations over an artificial time-base relative to the sampling clock, on which the...

32-Port 5.5%-Δ Silica-Based Connecting Device for Low-Loss Coupling between SMFs and Silicon Waveguides
2018 Edition, March 1, 2018 - Optical Society (The) (OSA)

We report a low-loss connecting technique between silicon waveguides and standard single-mode fibers using a unique extremely-high-Δ silica-based PLC. 32-port coupling with coupling losses of 1.4∼1.6 dB/facet and pitch conversion has been demonstrated.

Design of a delta-sigma (Δ-Σ) Based Digital-to-Analog Converter for TETRA-2 transmitter
2010 Edition, May 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper describes the design of a delta-sigma (Δ-Σ) based Digital-to-Analog Converter (DAC) for a TETRA-2 transmitter along with the on-chip analog filtering to meet adjacent channel specifications. The proposed design meets the adjacent channel...

Passive SC Δ Σ Modulator Based on Pipelined Charge-Sharing Rotation in 28-nm CMOS
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this paper, we introduce a new switched-capacitor (SC) passive delta-sigma (Δ Σ) modulator architecture. It is based on a charge-sharing rotation technique, which eliminates any inter-stage loading effects that plague the conventional SC passive Δ Σ modulators....

A Δ∑-Modulator based Spread-Spectrum Clock Generator with Digital Compensation and Calibration for PLL Loop Bandwidth
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A spread-spectrum clock generator (SSCG) is an essential building block for reducing electromagnetic interference (EMI) in a system-on-a-chip (SoC) without shielding the device that increases the system cost and weight. In a Δ∑ modulator (DSM)-based SSCG,...

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