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Design of a 130-nm CMOS Reconfigurable Cascade ΣΔ Modulator for GSM/UMTS/Bluetooth
2007 Edition, May 1, 2007 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper reports a 130-nm CMOS programmable cascade ΣΔ modulator for multistandard wireless terminals, covering three standards: GSM, Bluetooth and UMTS. The modulator is reconfigured at both architecture- and...

Multirate Cascaded Discrete-Time Low-Pass ΔΣ Modulator for GSM/Bluetooth/UMTS
2010 Edition, Volume 45, June 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper shows that multirate processing in a cascaded discrete-time ΔΣ modulator allows to reduce the power consumption by up to 35%. Multirate processing is possible in a discrete-time ΔΣ modulator by its adaptibility with the sampling frequency. The power...

A Triple-Mode Reconfigurable Sigma-Delta Modulator for Multi-Standard Wireless Applications
2008 Edition, March 1, 2008 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents the implementation and experimental characterization of a reconfigurable SigmaDelta modulator intended for multi-mode wireless receivers that is capable to perform the analog-to-digital conversion for GSM, Bluetooth, and...

Design of a 0.18μm Low-Voltage Switched-Current ΣΔ Modulator for Multistandard Communication Systems
2006 Edition, Volume 2, August 1, 2006 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents a 1.8-V, 0.18 μm CMOS reconfigurable switched-current ΣΔ modulator for multistandard (GSM, Bluetooth, WCDMA) telecom systems. The modulator topology is an expandable cascade architecture which can be...

A 100kHz–10MHz BW, 78-to-52dB DR, 4.6-to-11mW flexible SC ΣΔ modulator in 1.2-V 90-nm CMOS
2010 Edition, September 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents an adaptive 1.2-V 90-nm CMOS cascade two-stage (2-2) SC ΣΔ modulator with 3-level quantization and unity signal transfer function in both stages. The chip reconfigures its loop filter order (either 2nd or 4th-order), clock frequency (from 40 to...

A reconfigurable ΣΔ modulator for multi-standard wireless application
2008 Edition, October 1, 2008 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper describes the design and implementation of a reconfigurable low power 180-nm CMOS cascade Σ-Δ modulator for multi-standard wireless communication. Both architectural and circuital reconfiguration is used to adapt its...

A 2.8-to-8.5mW GSM/bluetooth/UMTS/DVB-H/WLAN fully reconfigurable CTΔΣ with 200kHz to 20MHz BW for 4G radios in 90nm digital CMOS
2010 Edition, June 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A 0.4mm2 low-power fully-reconfigurable continuous-time (CT) feedforward ΔΣ ADC for 4G radios is implemented in 90nm CMOS. By reconfiguring the topology architecture, quantizer bits, biasing current and component parameters, optimal power consumption can be achieved...

A 65 nm CMOS versatile ADC using time interleaving and ΣΔ modulation for multi-mode receiver
2009 Edition, June 1, 2009 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

High performances wideband Analog to Digital Converter (ADC) remains a bottleneck to realize software and cognitive radio receivers. Time Interleaved Sigma-Delta (TIΣΔ) architecture is a good candidate to increase the bandwidth of the data converters with the lowest hardware...

Adaptive SMASH ΣΔ converters for the next generation of mobile phones — Design issues and practical solutions
2010 Edition, June 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper discusses practical design issues associated to the implementation of ΣΔ analog-to-digital converters intended for mobile telecom applications. After a comprehensive description of the proposed adaptive resonation-based Sturdy MASH ΣΔ...

RP 130:2004 - Dimensions of Tape Splices on 16-mm and 8-mm Type R Motion-Picture Film, Projection Type
2004 Edition, November 8, 2004 - Society of Motion Picture and Television Engineers

(1.1) This practice specifies the significant dimensions of mated cut splices for 16-mm and 8-mm type R motion-picture film made with an adhesive tape and intended for projection and exhibition. (1.2) There are a number of methods for splicing triacetate or...

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