Technical Documentation

应用笔记 (45)

AN-1053: AD5933评估板测量事例 (pdf, 243 kB)
AN-1053: AD5933 Evaluation Board Example Measurement (pdf, 243 kB)
AN-953: 具可编程模数的直接数字频率合成器(DDS) (pdf, 99 kB)
AN-953: Direct Digital Synthesis (DDS) with a Programmable Modulus (pdf, 112 kB)
AN-939: 利用AD9912的超奈奎斯特频率操作得到高RF输出信号 (pdf, 0)
AN-939: Super-Nyquist Operation of the AD9912 Yields a High RF Output Signal (pdf, 221 kB)
AN-927: 确定杂散来源是DDS/DAC还是其他器件(例如开关电源)[中文版] (pdf, 234 kB)
AN-927: Determining if a Spur is Related to the DDS/DAC or to Some Other Source (For Example, Switching Supplies) (pdf, 170 kB)
AN-851: 一种WiMax双下变频IF采样接收机设计方案[中文版] (pdf, 421 kB)
AN-851: A WiMax Double Downconversion IF Sampling Receiver Design (pdf, 262 kB)
AN-847: 用AD5933测量接地阻抗特性 (pdf, 294 kB)
AN-847: Measuring a Grounded Impedance Profile Using the AD5933 (pdf, 294 kB)
AN-843: 用AD5933测量扬声器阻抗特性 (pdf, 513 kB)
AN-843: Measuring a Loudspeaker Impedance Profile Using the AD5933 (Rev. A, 6/07) (pdf, 284 kB)
AN-837: 基于DDS的时钟抖动性能与DAC重构滤波器性能的关系[中文版] (pdf, 416 kB)
AN-837: DDS-Based Clock Jitter Performance vs. DAC Reconstruction Filter Performance (pdf, 313 kB)
AN-823: 时钟应用中的直接数字频率合成器[中文版] (pdf, 303 kB)
基于直接数字频率合成器的时钟系统的时间抖动
AN-823: Direct Digital Synthesizers in Clocking Applications Time (pdf, 115 kB)
Jitter in Direct Digital Synthesizer-Based Clocking Systems
AN-772: 引脚架构芯片级封装（LFCSP）设计与制造指南 (pdf, 828 kB)
AN-772: A Design and Manufacturing Guide for the Lead Frame Chip Scale Package (LFCSP) (pdf, 439 kB)
AN-769: 基于AD9540产生多时钟输出 (pdf, 130 kB)
AN-769: Generating Multiple Clock Outputs from the AD9540 (pdf, 0)
AN-632: 利用AD9951 DDS作为ADN2812连续速率CDR的捷变参考时钟以提供数据速率 (pdf, 298 kB)
AN-632: Provisionary Data Rates Using the AD9951 DDS as an Agile Reference Clock for the ADN2812 Continuous-Rate CDR (pdf, 138 kB)
AN-621: AD9832/AD9835的编程 (pdf, 171 kB)
本应用笔记将详细描述如何将AD9832/AD9835器件的输出编程为5 MHz。其中将详细说明频率寄存器(frequency register)、迟延寄存器(defer register)和命令序列(command sequence)。
AN-621: Programming the AD9832/AD9835 (pdf, 202 kB)
This application note details how to program 5 MHz on the output of the AD9832/AD9835 parts. The frequency register,defer register,and command sequence are explained in detail.
AN-605: 同步多个基于DDS的频率合成器AD9852 (pdf, 0)
AN-605: Synchronizing Multiple AD9852 DDS-Based Synthesizers (pdf, 527 kB)
AN-587: 同步多个基于DDS的频率合成器AD9850/AD9851 (pdf, 724 kB)
AN-587: Synchronizing Multiple AD9850/AD9851 DDS-Based Synthesizers (pdf, 116 kB)
AN-557: 实验者项目： (pdf, 942 kB)
在业余无线电收发器内集成AD9850 DDS器件以实现数字本振功能*
AN-557: An Experimenter's Project: (pdf, 368 kB)
Incorporating the AD9850 Complete DDS Device as a Digital LO Function in an Amateur Radio Transceiver
AN-543: 利用ADSP-2181 DSP和AD9850直接数字频率合成器产生高质量、全数字RF频率调制 (pdf, 335 kB)
- AN-543 - Monaural FM Transmitter (dsp, 20 kB)
- AN-543 - Stereo FM Transmitter (dsp, 25 kB)
AN-543: High Quality, All-Digital RF Frequency Modulation Generation with the ADSP-2181 and the AD9850 DDS (pdf, 49 kB)
- AN-543 - Monaural FM Transmitter (dsp, 20 kB)
- AN-543 - Stereo FM Transmitter (dsp, 25 kB)
AN-423: 直接数字频率合成器AD9850的幅度调制 (pdf, 159 kB)
AN-423: Amplitude Modulation of the AD9850 Direct Digital Synthesizer (pdf, 37 kB)
AN-419: 用于完整的直接数字频率合成器AD9850的分立、低相位噪声、125MH晶振 (pdf, 216 kB)
AN-419: A Discrete, Low Phase Noise, 125 MHz Crystal Oscillator for the AD9850 (pdf, 101 kB)
AN-345: 低频和高频电路接地 (pdf, 823 kB)
了解接地路径和信号路径，实现行之有效的设计。电流沿着阻抗最小，而不仅是电阻最小的路径流动……
AN-345: Grounding for Low-and-High-Frequency Circuits (pdf, 455 kB)
Know Your Ground and Signal Paths for Effective Designs. Current Flow Seeks Path of Least Impedance-Not Just Resistance....
AN-342: 高速、高精度处理模拟信号[中文版] (pdf, 466 kB)
用于优化DAC和ADC性能的信号处理技术
AN-342: Analog Signal-Handling for High Speed and Accuracy. (pdf, 468 kB)
Signal handling techniques for optimizing DAC and ADC performance.
AN-280: Mixed Signal Circuit Technologies (pdf, 2101 kB)
Considers problems which arise when reality (& Murphy) intervene in a design which otherwise seems satisfactory in terms of theory and modeling.
AN-237: 放大器直接数字频率合成的DAC选型器应用漫谈 (pdf, 1156 kB)
AN-237: Choosing DACs for Direct Digital Synthesis (pdf, 1156 kB)

Circuit Note (2)

CN0217: 用12位阻抗转换器实现高精度阻抗测量 (pdf, 253 kB)
CN-0217: High Accuracy Impedance Measurements Using 12-Bit Impedance Converters (pdf, 253 kB)

技术文章 (28)

400-MSample DDSs Run On Only +1.8 VDC
... This line of highly integrated DDS ICs features on-board RAM and crystal-oscillator circuitry to simplify the generation of agile and exotic waveforms. (Microwaves & RF Cover Story, 12/2002)
AD9858: Flexible Integrated Synthesizer For Wireless
... The most important feature of the AD9858 is its ability to change frequency in less than 5 ns, meaning that there is virtually no application left where you will need to go the expense of switching between two separate synthesizers. (AnalogZone, RF/IF Zone Products for the Week of 9/23/2002)
ADI Buys Korean Mobile TV Chip Maker
(EE Times, 6/7/2006)
Basics of Designing a Digital Radio Receiver (Radio 101) (pdf, 77 kB)
Clock Requirements For Data Converters
(Electronic Design, 2/2005)
DDS Applications
by Eva Murphy and Colm Slattery, Analog Devices, Inc. (EETimes, 9/26/2005)
DDS Circuit Generates Precise PWM Waveforms
by Colm Slattery, Analog Devices, Inc. (EDN, 10/2/2003)
DDS Design
By David Brandon, Analog Devices, Inc.
Direct digital synthesizers are known for their highly accurate digital tuning, low noise figure, and phase-continuous frequency-hopping capabilities, which make them more attractive than alternative analog frequency-synthesis solutions.
(EDN, 5/13/2004)
DDS Device Produces Sawtooth Waveform
Ramp or sawtooth waveforms are useful for a broad range of applications, including automatic-test equipment, benchtest equipment, and actuator control. (EDN Design Idea, 7/10/2003)
DDS Device Provides Amplitude Modulation
by Mary McCarthy, Analog Devices, Inc.
(EDN, September 2, 1999)
DDS IC Initiates Synchronized Signals
(Microwaves & RF Cover Story, July 2005)
DDS IC Plus Frequency-To-Voltage Converter Make Low-Cost DAC
by Noel McNamara, Analog Devices, Inc. (EDN Design Idea, 2/5/2004)
DDS Simplifies Polar Modulation
By Ken Gentile, Analog Devices ... Basic modulation mathematics and DDS (direct digital synthesis) provide designers with an all-digital technique for generating polar-encoded carrier signals. (EDN, 8/5/2004)
DDS Tackles BaseStations Head On
... This High-Performance, Low-Power Integrated Hybrid Synthesizer Flaunts A 10-b Digital-To-Analog Converter That Operates At Up To 1 GSample/s.
(Wireless Systems Design, September 2002)
Digital Potentiometers Vary Amplitude In DDS Devices
(Electronic Design, Ideas for Design, 5/29/2000)
Digital Up/Down Converters: VersaCOMM™ White Paper (pdf, 97 kB)
Digital Waveform Generator Provides Flexible Frequency Tuning for Sensor Measurement
by Colm Slattery, Analog Devices (EDN, 12/17/2004)
Healthcare at Home (Part II)
A major trend in medicine is to move treatments and monitoring out of the hospital or even the doctor's office and either attach them to the patient or enable it to be done in the home. What can device designers do to aid this effort and what technologies would help to enable it.
(EDN, February 25, 2008)
Impedance Measurement Blood Analysis Systems
Improved DDS Devices Enable Advanced Comm Systems
by Valoree Young, Analog Devices
(Electronic Products, September 2006)
Integrated DDS Chip Takes Steps To 2.7 GHz
This highly integrated 2.7-GHz source includes all essential DDS circuitry along with a clock driver, divider, high-resolution DAC, and combination phase detector/charge pump. (ED Online, April 2004)
Introducing Digital Up/Down Converters: VersaCOMM™ Reconfigurable Digital Converters (pdf, 63 kB)
Revolutionize your radio architectures
Simple Circuit Controls Stepper Motors
by Noel McNamara, Analog Devices, Inc. (EDN Design Idea, 1/8/04)
Speedy A/Ds Demand Stable Clocks
by Jeff Keip, Analog Devices, Inc. (EE Times, 3/18/04)
Synchronized Synthesizers Aid Multichannel Systems
by David Brandon and John Kornblum, Analog Devices, Inc. (Microwaves & RF, 9/2005)
The Year of the Waveform Generator
(Test & Measurement World, 12/1/2005)
Two DDS ICs Implement Amplitude-shift Keying
by Noel McNamara, Analog Devices, Inc. (EDN Design Idea, 12/25/2003)
Video Portables and Cameras Get HDMI Outputs
By Doug Bartow, Analog Devices, Inc.