HIGH SPEED
DESIGN TECHNIQUES
PREFACE
HIGH SPEED OP AMPS
HIGH SPEED OP AMP APPLICATIONS
RF/IF SUBSYSTEMS
HIGH SPEED SAMPLING AND HIGH SPEED ADCs
HIGH SPEED ADC APPLICATIONS
HIGH SPEED DACs AND DDS SYSTEMS
HIGH SPEED HARDWARE DESIGN TECHNIQUES
INDEX
ANALOG DEVICES TECHNICAL REFERENCE BOOKS
PUBLISHED BY PRENTICE HALL
Analog-Digital Conversion Handbook
Digital Signal Processing Applications Using the ADSP-2100 Family
(Volume 1:1992, Volume 2:1994)
Digital Signal Processing in VLSI
DSP Laboratory Experiments Using the ADSP-2101
ADSP-2100 Family User's Manual
PUBLISHED BY ANALOG DEVICES
High Speed Design Techniques
Practical Analog Design Techniques
Linear Design Seminar
ADSP-21000 Family Applications Handbook
System Applications Guide
Applications Reference Manual
Amplifier Applications Guide
Mixed Signal Design Seminar Notes
High-Speed Design Seminar Notes
Nonlinear Circuits Handbook
Transducer Interfacing Handbook
Synchro & Resolver Conversion
THE BEST OF Analog Dialogue, 1967-1991
HOW TO GET INFORMATION FROM ANALOG DEVICES
Analog Devices publishes data sheets and a host of other technical literature
supporting our products and technologies. Follow the instructions below for
worldwide access to this information.
FOR DATA SHEETS
U.S.A. and Canada
n
Fax Retrieval. Telephone number 800-446-6212. Call this number
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for each data sheet. There is also a longer index sorted by
product type with short descriptions.
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World Wide Web and Internet. Our address is http://www.analog.com.
Use the browser of your choice and follow the prompts. We also
provide extensive DSP literature support on an Internet FTP site. Type
ftp ftp.analog.com or ftp 137.71.23.11. Log in as anonymous using your
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select option two from the voice prompts, or call 617-461-3392 for
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Europe and Israel
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Analog Devices Sales Offices. Call your local sales office and request
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Other Locations
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browser of your choice and follow the prompts.
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Analog Devices Sales Offices. Call your local sales office and request
a data sheet. A Worldwide Sales Directory including telephone numbers
is listed on pages 218 and 219 of the 1996 Short Form Designers' Guide.
TECHNICAL SUPPORT AND CUSTOMER SERVICE
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In the U.S.A. and Canada, call 800-ANALOGD, (800-262-5643).
For technical support on all products, select option one, then select
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For literature and samples, select option two.
Non-800 Number: 617-937-1428
HIGH SPEED
DESIGN TECHNIQUES
a
ACKNOWLEDGMENTS
Thanks are due the many technical staff members of Analog Devices in Engineering and
Marketing who provided invaluable inputs during this project. Particular credit is due the
individual authors whose names appear at the beginning of their material.
Special thanks go to Adolfo Garcia, Walter G. Jung, and Ed Grokulsky for thoroughly
reviewing the material for content and accuracy.
Linda Grimes Brandon of Brandon's WordService prepared the new illustrations and typeset
the text. Ernie Lehtonen of the Analog Devices' art department supplied many camera-ready
drawings. Judith Douville compiled the index, and printing was done by R. R. Donnelley and
Sons, Inc.
Walt Kester
1996
Copyright  1996 by Analog Devices, Inc.
Printed in the United States of America
All rights reserved. This book, or parts thereof, must not be reproduced in any form without
permission of the copyright owner.
Information furnished by Analog Devices, Inc., is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices, Inc., for its use.
Analog Devices, Inc., makes no representation that the interconnections of its circuits as
described herein will not infringe on existing or future patent rights, nor do the descriptions
contained herein imply the granting of licenses to make, use, or sell equipment constructed in
accordance therewith.
Specifications are subject to change without notice.
ISBN-0-916550-17-6
HIGH SPEED
DESIGN TECHNIQUES
PREFACE
SECTION 1
HIGH SPEED OP AMPS
n
Voltage Feedback Op Amps
n
Current Feedback Op Amps
n
Effects of Feedback Capacitance
n
High-Speed Current-to-Voltage Converters, and
the Effects of Inverting Input Capacitance
n
Noise Comparisons between Voltage Feedback
Op Amps and Current Feedback Op Amps
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DC Characteristics of High Speed Op Amps
SECTION 2
HIGH SPEED OP AMP APPLICATIONS
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Optimizing the Feedback Network for Maximum
Bandwidth Flatness in Wideband CFB Op Amps
n
Driving Capacitive Loads
n
Cable Drivers and Receivers
n
A High Performance Video Line Driver
n
Differential Line Drivers/Receivers
n
High Speed Clamping Amplifiers
n
Single-Supply/Rail-to-Rail Considerations
n
High Speed Video Multiplexing with Op Amps Using
Disable Function
n
Video Programmable Gain Amplifier
n
Video Multiplexers and Crosspoint Switches
n
High Power Line Drivers and ADSL
n
High Speed Photodiode Preamps
SECTION 3
RF/IF SUBSYSTEMS
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Dynamic Range Compression
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Linear VCAs
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Log/Limiting Amplifiers
n
Receiver Overview
n
Multipliers, Modulators, and Mixers
n
Modulation / Demodulation
n
Receiver Subsystems
SECTION 4
HIGH SPEED SAMPLING AND HIGH SPEED ADCs
n
Fundamentals of High Speed Sampling
n
Baseband Antialiasing Filters
n
Undersampling
n
Antialiasing Filters in Undersampling Applications
n
Distortion and Noise in an Ideal N-bit ADC
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Distortion and Noise in Practical ADCs
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High Speed ADC Architectures
SECTION 5
HIGH SPEED ADC APPLICATIONS
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Driving ADC Inputs for Low Distortion and Wide
Dynamic Range
n
Applications of High Speed ADCs in CCD Imaging
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High Speed ADC Applications in Digital Receivers
SECTION 6
HIGH SPEED DACs AND DDS SYSTEMS
n
Introduction to DDS
n
Aliasing in DDS Systems
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125MSPS DDS System (AD9850)
n
DDS Systems as ADC Clock Drivers
n
Amplitude Modulation in a DDS System
n
The AD9831/AD9832 Complete DDS System
n
Spurious Free Dynamic Range Considerations in
DDS Systems
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High Speed Low Distortion DAC Architectures
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Improving SFDR Using Sample-and-Hold Deglitchers
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High Speed Interpolating DACs
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QPSK Signal Generation Using DDS (AD9853)
SECTION 7
HIGH SPEED HARDWARE DESIGN TECHNIQUES
INDEX
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Analog Circuit Simulation
n
Prototyping Analog Circuits
n
Evaluation Boards
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Grounding in High Speed Systems
n
Power Supply Noise Reduction and Filtering
n
Power Supply Regulation/Conditioning
n
Thermal Management
n
EMI/RFI Considerations
n
Shielding Concepts
HIGH SPEED
DESIGN TECHNIQUES
PREFACE
HIGH SPEED OP AMPS
HIGH SPEED OP AMP APPLICATIONS
RF/IF SUBSYSTEMS
HIGH SPEED SAMPLING AND HIGH SPEED ADCs
HIGH SPEED ADC APPLICATIONS
HIGH SPEED DACs AND DDS SYSTEMS
HIGH SPEED HARDWARE DESIGN TECHNIQUES
INDEX