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A 1.2V 68µW 98.2DB-DR Audio Continuous-Time Delta-Sigma Modulator
2018 Edition, June 1, 2018 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents a micro-power audio continuous-time delta-sigma modulator. Fabricated in a 65nm CMOS process, the modulator occupies 0.14mm2 and achieves 98.2dB DR, 94.1dB SNDR and 107dB SFDR in a 24kHz BW while...

First-Order Continuous-Time Sigma-Delta Modulator
2007 Edition, March 1, 2007 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents the design of a first-order continuous-time sigma-delta modulator. It can accept input signal bandwidth of 10 kHz with oversampling ratio of 250. The modulator operates at 1.8 V supply voltage and uses 0.18 mum CMOS technology. It...

A 170.7 dB FoM-DR 0.45/0.6-V Inverter-Based Continuous-Time Sigma-Delta Modulator
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This brief presents a low-voltage inverter-based continuous-time sigma-delta modulator (CT-SDM). The inverter-based amplifiers are single-stage and their operating point is provided by a bulk-based current mirror. To improve the power-efficiency,...

A 0.6 V 74.2 dB-DR Continuous-Time Sigma-Delta Modulator with Inverter-Based Amplifiers
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This brief presents a 0.6 V third-order continuous-time sigma-delta modulator (CT-SDM) based on single-stage inverter-based amplifiers. The designed amplifier uses an on-chip bulk-bias technique to control the common mode output voltage and to mitigate...

A 0.6-V, 74.2-dB DR Continuous-Time SigmaDelta Modulator With Inverter-Based Amplifiers
2018 Edition, Volume 65, October 1, 2018 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This brief presents a 0.6 V third-order continuous-time sigma-delta modulator (CT-SDM) based on single-stage inverter-based amplifiers. The designed amplifier uses an on-chip bulk-bias technique to control the common mode output voltage and to mitigate...

Continuous-time Sigma-Delta Modulators for Highly Digitised Receivers
2006 Edition, December 1, 2006 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents an overview of recent developments in continuous-time sigma-delta modulator design. Traditionally, sigma-delta modulators have been used for audio applications with low bandwidth and high-resolution requirements....

Multi-bit continuous-time delta-sigma modulator for audio application
2012 Edition, April 1, 2012 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The design considerations for low-power continuous time (CT) delta-sigma (ΔΣ) modulators is studied and circuit design details for a 13.5 bit modulator are given. The converter has been designed in a 0.5 um C5FN AMI CMOS technology and...

A continuous-time delta-sigma modulator with novel data-weighted averaging algorithm for audio application
2015 Edition, June 1, 2015 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A 4-bit continuous-time delta-sigma modulator (CT-DSM) with the proposed data-weighted averaging (DWA) algorithm for audio application is presented. The proposed method randomly adds one to pointer address in the DWA to reduce distortion tones and...

A micro power continuous-time /spl Sigma//spl Delta/ modulator
2003 Edition, January 1, 2003 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents the design of a micro power continuous time third order low pass sigma delta /spl Sigma//spl Delta/ modulator. The loop filter has been implemented by using active RC-integrators. The influence of the low supply voltage on...

A compact 87.1-dB DR bandwidth-scalable delta-sigma modulator based on dynamic gain-bandwidth-boosting inverter for audio applications
2017 Edition, November 1, 2017 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents a compact audio delta-sigma modulator that features a scalable bandwidth to also support biomedical instrumentation such as digital hearing aids and electromyography, sustaining constant FoMS. The modulator achieves a small...

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