Time-interleaved Analog-to-Digital Converters

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Publisher : Springer Science & Business Media
ISBN 13 : 9048197163
Total Pages : 136 pages
Book Rating : 4.0/5 (481 download)

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Book Synopsis Time-interleaved Analog-to-Digital Converters by : Simon Louwsma

Download or read book Time-interleaved Analog-to-Digital Converters written by Simon Louwsma and published by Springer Science & Business Media. This book was released on 2010-09-08 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Time-interleaved Analog-to-Digital Converters describes the research performed on low-power time-interleaved ADCs. A detailed theoretical analysis is made of the time-interleaved Track & Hold, since it must be capable of handling signals in the GHz range with little distortion, and minimal power consumption. Timing calibration is not attractive, therefore design techniques are presented which do not require timing calibration. The design of power efficient sub-ADCs is addressed with a theoretical analysis of a successive approximation converter and a pipeline converter. It turns out that the first can consume about 10 times less power than the latter, and this conclusion is supported by literature. Time-interleaved Analog-to-Digital Converters describes the design of a high performance time-interleaved ADC, with much attention for practical design aspects, aiming at both industry and research. Measurements show best-inclass performance with a sample-rate of 1.8 GS/s, 7.9 ENOBs and a power efficiency of 1 pJ/conversion-step.

Background Calibration of Time-Interleaved Data Converters

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Publisher : Springer Science & Business Media
ISBN 13 : 146141511X
Total Pages : 124 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Background Calibration of Time-Interleaved Data Converters by : Manar El-Chammas

Download or read book Background Calibration of Time-Interleaved Data Converters written by Manar El-Chammas and published by Springer Science & Business Media. This book was released on 2011-12-17 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes techniques for time-interleaving a number of analog-to-digital data converters to achieve demanding bandwidth requirements. Readers will benefit from the presentation of a low-power solution that can be used in actual products, while alleviating the time-varying signal artifacts that typically arise when implementing such a system architecture.

Time-interleaved Analog-to-digital Converters

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Publisher :
ISBN 13 : 9789036529440
Total Pages : 179 pages
Book Rating : 4.5/5 (294 download)

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Book Synopsis Time-interleaved Analog-to-digital Converters by : Simon Minze Louwsma

Download or read book Time-interleaved Analog-to-digital Converters written by Simon Minze Louwsma and published by . This book was released on 2009 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Time-interleaved Analog-to-digital Converters for Digital Communications

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Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.:/5 (71 download)

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Book Synopsis Time-interleaved Analog-to-digital Converters for Digital Communications by : Tsung-Heng Tsai

Download or read book Time-interleaved Analog-to-digital Converters for Digital Communications written by Tsung-Heng Tsai and published by . This book was released on 2005 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Interleaving Concepts for Digital-to-Analog Converters

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Publisher : Springer
ISBN 13 : 3658272643
Total Pages : 245 pages
Book Rating : 4.6/5 (582 download)

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Book Synopsis Interleaving Concepts for Digital-to-Analog Converters by : Christian Schmidt

Download or read book Interleaving Concepts for Digital-to-Analog Converters written by Christian Schmidt and published by Springer. This book was released on 2019-07-19 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern complementary metal oxide semiconductor (CMOS) digital-to-analog converters (DACs) are limited in their bandwidth due to technological constraints. These limitations can be overcome by parallel DAC architectures, which are called interleaving concepts. Christian Schmidt analyzes the limitations and the potential of two innovative DAC interleaving concepts to provide the basis for a practical implementation: the analog multiplexing DAC (AMUX-DAC) and the frequency interleaving DAC (FI-DAC). He presents analytical and discrete-time models as a theoretical foundation and develops digital signal processing (DSP) algorithms to compensate the analog impairments. Further, he quantifies the impact of various limiting parameters with numerical simulations and verifies both concepts in laboratory experiments. About the Author: Christian Schmidt works at the Fraunhofer Heinrich-Hertz-Institute, Berlin, Germany, on innovative solutions for broadband signal generation in the field of optical communications. The studies for his dissertation were carried out at the Technische Universität Berlin and at the Fraunhofer Heinrich-Hertz-Institute, both Berlin, Germany.

Reference-Free CMOS Pipeline Analog-to-Digital Converters

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Publisher : Springer Science & Business Media
ISBN 13 : 146143467X
Total Pages : 189 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Reference-Free CMOS Pipeline Analog-to-Digital Converters by : Michael Figueiredo

Download or read book Reference-Free CMOS Pipeline Analog-to-Digital Converters written by Michael Figueiredo and published by Springer Science & Business Media. This book was released on 2012-08-24 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book shows that digitally assisted analog to digital converters are not the only way to cope with poor analog performance caused by technology scaling. It describes various analog design techniques that enhance the area and power efficiency without employing any type of digital calibration circuitry. These techniques consist of self-biasing for PVT enhancement, inverter-based design for improved speed/power ratio, gain-of-two obtained by voltage sum instead of charge redistribution, and current-mode reference shifting instead of voltage reference shifting. Together, these techniques allow enhancing the area and power efficiency of the main building blocks of a multiplying digital-to-analog converter (MDAC) based stage, namely, the flash quantizer, the amplifier, and the switched capacitor network of the MDAC. Complementing the theoretical analyses of the various techniques, a power efficient operational transconductance amplifier is implemented and experimentally characterized. Furthermore, a medium-low resolution reference-free high-speed time-interleaved pipeline ADC employing all mentioned design techniques and circuits is presented, implemented and experimentally characterized. This ADC is said to be reference-free because it precludes any reference voltage, therefore saving power and area, as reference circuits are not necessary. Experimental results demonstrate the potential of the techniques which enabled the implementation of area and power efficient circuits.

Advanced Data Converters

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Publisher : Cambridge University Press
ISBN 13 : 1139504746
Total Pages : 251 pages
Book Rating : 4.1/5 (395 download)

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Book Synopsis Advanced Data Converters by : Gabriele Manganaro

Download or read book Advanced Data Converters written by Gabriele Manganaro and published by Cambridge University Press. This book was released on 2011-11-17 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: Need to get up to speed quickly on the latest advances in high performance data converters? Want help choosing the best architecture for your application? With everything you need to know about the key new converter architectures, this guide is for you. It presents basic principles, circuit and system design techniques and associated trade-offs, doing away with lengthy mathematical proofs and providing intuitive descriptions upfront. Everything from time-to-digital converters to comparator-based/zero-crossing ADCs is covered and each topic is introduced with a short summary of the essential basics. Practical examples describing actual chips, along with extensive comparison between architectural or circuit options, ease architecture selection and help you cut design time and engineering risk. Trade-offs, advantages and disadvantages of each option are put into perspective with a discussion of future trends, showing where this field is heading, what is driving it and what the most important unanswered questions are.

Analog-to-Digital Conversion

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Publisher : Springer
ISBN 13 : 3319449710
Total Pages : 548 pages
Book Rating : 4.3/5 (194 download)

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Book Synopsis Analog-to-Digital Conversion by : Marcel Pelgrom

Download or read book Analog-to-Digital Conversion written by Marcel Pelgrom and published by Springer. This book was released on 2016-09-29 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook is appropriate for use in graduate-level curricula in analog-to-digital conversion, as well as for practicing engineers in need of a state-of-the-art reference on data converters. It discusses various analog-to-digital conversion principles, including sampling, quantization, reference generation, nyquist architectures and sigma-delta modulation. This book presents an overview of the state of the art in this field and focuses on issues of optimizing accuracy and speed, while reducing the power level. This new, third edition emphasizes novel calibration concepts, the specific requirements of new systems, the consequences of 22-nm technology and the need for a more statistical approach to accuracy. Pedagogical enhancements to this edition include additional, new exercises, solved examples to introduce all key, new concepts and warnings, remarks and hints, from a practitioner's perspective, wherever appropriate. Considerable background information and practical tips, from designing a PCB, to lay-out aspects, to trade-offs on system level, complement the discussion of basic principles, making this book a valuable reference for the experienced engineer.

Digital Calibration of Double-sampled Time-interleaved Analog-to-digital Converters

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Publisher :
ISBN 13 :
Total Pages : 290 pages
Book Rating : 4.:/5 (83 download)

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Book Synopsis Digital Calibration of Double-sampled Time-interleaved Analog-to-digital Converters by : Chi Ho Law

Download or read book Digital Calibration of Double-sampled Time-interleaved Analog-to-digital Converters written by Chi Ho Law and published by . This book was released on 2009 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Generalized Low-Voltage Circuit Techniques for Very High-Speed Time-Interleaved Analog-to-Digital Converters

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Publisher : Springer Science & Business Media
ISBN 13 : 9048197104
Total Pages : 147 pages
Book Rating : 4.0/5 (481 download)

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Book Synopsis Generalized Low-Voltage Circuit Techniques for Very High-Speed Time-Interleaved Analog-to-Digital Converters by : Sai-Weng Sin

Download or read book Generalized Low-Voltage Circuit Techniques for Very High-Speed Time-Interleaved Analog-to-Digital Converters written by Sai-Weng Sin and published by Springer Science & Business Media. This book was released on 2010-09-29 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analog-to-Digital Converters (ADCs) play an important role in most modern signal processing and wireless communication systems where extensive signal manipulation is necessary to be performed by complicated digital signal processing (DSP) circuitry. This trend also creates the possibility of fabricating all functional blocks of a system in a single chip (System On Chip - SoC), with great reductions in cost, chip area and power consumption. However, this tendency places an increasing challenge, in terms of speed, resolution, power consumption, and noise performance, in the design of the front-end ADC which is usually the bottleneck of the whole system, especially under the unavoidable low supply-voltage imposed by technology scaling, as well as the requirement of battery operated portable devices. Generalized Low-Voltage Circuit Techniques for Very High-Speed Time-Interleaved Analog-to-Digital Converters will present new techniques tailored for low-voltage and high-speed Switched-Capacitor (SC) ADC with various design-specific considerations.

CMOS Data Converters for Communications

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Publisher : Springer Science & Business Media
ISBN 13 : 0306473054
Total Pages : 378 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis CMOS Data Converters for Communications by : Mikael Gustavsson

Download or read book CMOS Data Converters for Communications written by Mikael Gustavsson and published by Springer Science & Business Media. This book was released on 2006-04-18 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: CMOS Data Converters for Communications distinguishes itself from other data converter books by emphasizing system-related aspects of the design and frequency-domain measures. It explains in detail how to derive data converter requirements for a given communication system (baseband, passband, and multi-carrier systems). The authors also review CMOS data converter architectures and discuss their suitability for communications. The rest of the book is dedicated to high-performance CMOS data converter architecture and circuit design. Pipelined ADCs, parallel ADCs with an improved passive sampling technique, and oversampling ADCs are the focus for ADC architectures, while current-steering DAC modeling and implementation are the focus for DAC architectures. The principles of the switched-current and the switched-capacitor techniques are reviewed and their applications to crucial functional blocks such as multiplying DACs and integrators are detailed. The book outlines the design of the basic building blocks such as operational amplifiers, comparators, and reference generators with emphasis on the practical aspects. To operate analog circuits at a reduced supply voltage, special circuit techniques are needed. Low-voltage techniques are also discussed in this book. CMOS Data Converters for Communications can be used as a reference book by analog circuit designers to understand the data converter requirements for communication applications. It can also be used by telecommunication system designers to understand the difficulties of certain performance requirements on data converters. It is also an excellent resource to prepare analog students for the new challenges ahead.

High Speed Data Converters

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Publisher : IET
ISBN 13 : 1849199388
Total Pages : 463 pages
Book Rating : 4.8/5 (491 download)

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Book Synopsis High Speed Data Converters by : Ahmed M.A. Ali

Download or read book High Speed Data Converters written by Ahmed M.A. Ali and published by IET. This book was released on 2016-08-03 with total page 463 pages. Available in PDF, EPUB and Kindle. Book excerpt: High Speed Data Converters covers high speed data converters from the perspective of a leading high speed ADC designer and architect, with a strong emphasis on high speed Nyquist A/D converters. For our purposes, the term "high speed" is defined as sampling rates that are greater than 10 MS/s. The book is intended for engineers and students who design, evaluate or use high speed data converters. A basic foundation in circuits, devices and signal processing is required. The book is meant to bridge the gap between analysis and design, theory and practice, circuits and systems. It covers basic analog circuits and digital signal processing algorithms. There is a healthy dose of theoretical analysis in this book, combined with the practical issues and intuitive perspectives. Topics covered include: * Introduction to high-speed data conversion * Performance Metrics * Data Converter Architectures * Sampling * Comparators * Amplifiers * Pipelined A/D Converters * Time-interleaved Converters * Digitally Assisted Converters * Evolution and Trends

Blind Calibration for Time-interleaved Analog-to-digital Converters

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Publisher :
ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.:/5 (74 download)

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Book Synopsis Blind Calibration for Time-interleaved Analog-to-digital Converters by : Yuhui Huang

Download or read book Blind Calibration for Time-interleaved Analog-to-digital Converters written by Yuhui Huang and published by . This book was released on 2006 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Delta-Sigma Data Converters

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Publisher : Wiley-IEEE Press
ISBN 13 :
Total Pages : 520 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Delta-Sigma Data Converters by : Steven R. Norsworthy

Download or read book Delta-Sigma Data Converters written by Steven R. Norsworthy and published by Wiley-IEEE Press. This book was released on 1996-10-28 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive guide offers a detailed treatment of the analysis, design, simulation and testing of the full range of today's leading delta-sigma data converters. Written by professionals experienced in all practical aspects of delta-sigma modulator design, Delta-Sigma Data Converters provides comprehensive coverage of low and high-order single-bit, bandpass, continuous-time, multi-stage modulators as well as advanced topics, including idle-channel tones, stability, decimation and interpolation filter design, and simulation.

Continuous-Time Sigma-Delta A/D Conversion

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Publisher : Springer Science & Business Media
ISBN 13 : 3540284737
Total Pages : 257 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis Continuous-Time Sigma-Delta A/D Conversion by : Friedel Gerfers

Download or read book Continuous-Time Sigma-Delta A/D Conversion written by Friedel Gerfers and published by Springer Science & Business Media. This book was released on 2006-02-27 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sigma-delta A/D converters are a key building block in wireless and multimedia applications. This comprehensive book deals with all relevant aspects arising during the analysis, design and simulation of the now widespread continuous-time implementations of sigma-delta modulators. The results of several years of research by the authors in the field of CT sigma-delta modulators are covered, including the analysis and modeling of different CT modulator architectures, CT/DT loop filter synthesis, a detailed error analysis of all components, and possible compensation/correction schemes for the non-ideal behavior in CT sigma-delta modulators. Guidance for obtaining low-power consumption and several practical implementations are also presented. It is shown that all the proposed new theories, architectures and possible correction techniques have been confirmed by measurements on discrete or integrated circuits. Quantitative results are also provided, thus enabling prediction of the resulting accuracy.

Signal Processing and Analysis of Electrical Circuit

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Publisher : MDPI
ISBN 13 : 3039282948
Total Pages : 604 pages
Book Rating : 4.0/5 (392 download)

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Book Synopsis Signal Processing and Analysis of Electrical Circuit by : Adam Glowacz

Download or read book Signal Processing and Analysis of Electrical Circuit written by Adam Glowacz and published by MDPI. This book was released on 2020-03-13 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Special Issue with 35 published articles shows the significance of the topic “Signal Processing and Analysis of Electrical Circuit”. This topic has been gaining increasing attention in recent times. The presented articles can be categorized into four different areas: signal processing and analysis methods of electrical circuits; electrical measurement technology; applications of signal processing of electrical equipment; fault diagnosis of electrical circuits. It is a fact that the development of electrical systems, signal processing methods, and circuits has been accelerating. Electronics applications related to electrical circuits and signal processing methods have gained noticeable attention in recent times. The methods of signal processing and electrical circuits are widely used by engineers and scientists all over the world. The constituent papers represent a significant contribution to electronics and present applications that can be used in industry. Further improvements to the presented approaches are required for realizing their full potential.

Design of High-Speed Time-Interleaved Delta-Sigma D/A Converters

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Author :
Publisher : Linköping University Electronic Press
ISBN 13 : 9175190176
Total Pages : 141 pages
Book Rating : 4.1/5 (751 download)

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Book Synopsis Design of High-Speed Time-Interleaved Delta-Sigma D/A Converters by : Ameya Bhide

Download or read book Design of High-Speed Time-Interleaved Delta-Sigma D/A Converters written by Ameya Bhide and published by Linköping University Electronic Press. This book was released on 2015-08-19 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt: Digital-to-analog (D/A) converters (or DACs) are one the fundamental building blocks of wireless transmitters. In order to support the increasing demand for highdata-ate communication, a large bandwidth is required from the DAC. With the advances in CMOS scaling, there is an increasing trend of moving a large part of the transceiver functionality to the digital domain in order to reduce the analog complexity and allow easy reconguration for multiple radio standards. ?? DACs can t very well into this trend of digital architectures as they contain a large digital signal processing component and oer two advantages over the traditionally used Nyquist DACs. Firstly, the number of DAC unit current cells is reduced which relaxes their matching and output impedance requirements and secondly, the reconstruction lter order is reduced. Achieving a large bandwidth from ?? DACs requires a very high operating frequency of many-GHz from the digital blocks due to the oversampling involved. This can be very challenging to achieve using conventional ?? DAC architectures, even in nanometer CMOS processes. Time-interleaved ?? (TIDSM) DACs have the potential of improving the bandwidth and sampling rate by relaxing the speed of the individual channels. However, they have received only some attention over the past decade and very few previous works been reported on this topic. Hence, the aim of this dissertation is to investigate architectural and circuit techniques that can further enhance the bandwidth and sampling rate of TIDSM DACs. The rst work is an 8-GS/s interleaved ?? DAC prototype IC with 200-MHz bandwidth implemented in 65-nm CMOS. The high sampling rate is achieved by a two-channel interleaved MASH 1-1 digital ?? modulator with 3-bit output, resulting in a highly digital DAC with only seven current cells. Two-channel interleaving allows the use of a single clock for both the logic and the nal multiplexing. This requires each channel to operate at half the sampling rate i.e. 4 GHz. This is enabled by a high-speed pipelined MASH structure with robust static logic. Measurement results from the prototype show that the DAC achieves 200-MHz bandwidth, –57-dBc IM3 and 26-dB SNDR, with a power consumption of 68-mW at 1-V digital and 1.2-V analog supplies. This architecture shows good potential for use in the transmitter baseband. While a good linearity is obtained from this DAC, the SNDR is found to be limited by the testing setup for sending high-speed digital data into the prototype. The performance of a two-channel interleaved ?? DAC is found to be very sensitive to the duty-cycle of the half-rate clock. The second work analyzes this eect mathematically and presents a new closed-form expression for the SNDR loss of two-channel DACs due to the duty cycle error (DCE) for a noise transfer function (NTF) of (1 — z—1)n. It is shown that a low-order FIR lter after the modulator helps to mitigate this problem. A closed-form expression for the SNDR loss in the presence of this lter is also developed. These expressions are useful for choosing a suitable modulator and lter order for an interleaved ?? DAC in the early stage of the design process. A comparison between the FIR lter and compensation techniques for DCE mitigation is also presented. The nal work is a 11 GS/s 1.1 GHz bandwidth time-interleaved DAC prototype IC in 65-nm CMOS for the 60-GHz radio baseband. The high sampling rate is again achieved by using a two-channel interleaved MASH 1-1 architecture with a 4-bit output i.e only fteen analog current cells. The single clock architecture for the logic and the multiplexing requires each channel to operate at 5.5 GHz. To enable this, a new look-ahead technique is proposed that decouples the two channels within the modulator feedback path thereby improving the speed as compared to conventional loop-unrolling. Full speed DAC testing is enabled by an on-chip 1 Kb memory whose read path also operates at 5.5 GHz. Measurement results from the prototype show that the ?? DAC achieves >53 dB SFDR, < —49 dBc IM3 and 39 dB SNDR within a 1.1 GHz bandwidth while consuming 117 mW from 1 V digital/1.2 V analog supplies. The proposed ?? DAC can satisfy the spectral mask of the 60-GHz radio IEEE 802.11ad WiGig standard with a second order reconstruction lter.