模擬技術
電子發燒友網為用戶提供了專業的模擬技術文章和模擬電子技術應用資料等;是值得收藏和分享的模擬技術與電子技術欄目。
了解模數轉換器錯誤影響系統性能-Understanding
Abstract: Many design engineers will encounter the subtleties in ADC specifications that often lead to less-than-desired system performance. This article explains how to select an ADC based on the system requirements and describes the vari...
2009-05-08 1650
分析ADC系統失真所造成源電阻-Analysis of AD
Abstract: Analog-to-digital converter (ADC) data sheets and application typically recommend driving their inputs with a low source impedance. This application note explains the possible effects such as increased gain error and distortion w...
2009-05-08 764
Multi-Range ADC Use Voltage Re
A data acquisition board, in order to provide flexibility, must be able to accommodate various input voltage ranges. Handling low amplitude signals generally requires an increase in the number of bits of resolution, increasing cost....
2009-05-07 578
Migrating from Integrating ADC
Abstract: This article compares the merits of integrating and sigma delta ADC architectures for panel meter applications. It focuses on the difficult-to-understand concepts of over-sampling, noise shaping, and decimation filtering. It incl...
2009-05-07 518
理解積分非線性誤差-Understanding Integr
Abstract: To understand the effects of integral non-linearity errors, the most straightforward approach is to analyze a simple sine wave and apply well-known trigonometric identities to a non-ideal, analog-to-digital output transfer functi...
2009-05-07 1109
3V DAC在±10V中的應用
摘要：大多數現代系統中的電子器件通常采用3.3V或更低的電壓供電，但有時還需提供±10V的電壓驅動外部負載(工業應用中非常普遍)。盡管有些數/模轉換器(DAC)能夠以±10V的擺幅驅動...
2009-05-07 1837
MAX5290-MAX5295，MAX5580-MAX558
摘要：本程序員手冊提供MAX5290-MAX5295，MAX5580-MAX5585，MAX5590-MAX5595用戶可編程D/A轉換器(DAC)的詳細時序圖和高級編程特性。 本手冊為MAX5290-MAX5295，MAX5580-MAX5585，MAX5590-MAX559...
2009-05-07 1179
理解高性能ADC中時鐘公差對50Hz/60Hz噪聲抑制的影響
摘要：本文探討了時鐘公差對Σ-Δ ADC中低通抽樣和數字濾波器的影響，特別是對濾波器陷波頻率的影響。窄帶Σ-Δ應用通常利用數字濾波器提供50Hz、60Hz或50Hz/60Hz的噪聲抑制。在選擇...
2009-05-07 772
電流源DAC配合PIN二極管，提供RF衰減及溫度補償
摘要：RF衰減是無線設計中的常見電路，本應用筆記詳細描述了幾種采用PIN二極管和電流源DAC控制RF衰減的方法。 PIN二極管...
2009-05-07 623
解讀高速數/模轉換器(DAC)的建立和保持時間
摘要：本應用筆記定義了高速數/模轉換器(DAC)的建立和保持時間，并給出了相應的圖例。高速DAC的這兩個參數通常定義為“正、負”值，了解它們與數據瞬態特性之間的關系是一個...
2009-05-07 489
先進的電力線監測需要一個高性能，同時采樣模數轉換器-Adva
Abstract: This application note explains how a simultaneous-sampling ADC like the MAX11046 can be used for advanced power-line monitoring. The article describes the fundamentals of AC power measurement by sampling. It shows a typical power...
2009-05-07 634
發射應用中多個高速、復用DAC的同步
摘要：該篇應用筆記給出了多個具有多路輸入或集成內插濾波器的高速復用數模轉換器(DAC)的同步方法。這樣的DAC用于I/Q上變頻器或數字波束成形發射器中。這些DAC可提供數據時鐘輸...
2009-05-07 649
DAC與數字電位器：在我的應用中選擇哪種合適？
摘要：本應用筆記對數/模轉換器(DAC)和數字電位進行了對比，傳統的數字電位器用于替代機械電位器。隨著分辨率的提高和功能的增多，數字電位器也可用來取代一些傳統的DAC應用...
2009-05-07 868
測量并校準產品的溫度失調
摘要：本應用筆記介紹了在測量芯片外部溫度的情況下，優化MAX1358/MAX1359/MAX1360數據采集系統溫度讀數精度的解決方案。 引言MAX1358/MAX1359/MAX1360數據采集系統內...
2009-05-07 904
Calculating the Error Budget i
Abstract: This application note analyses the parameters that affect the errors in precision digital-to-analog converter (DAC) applications. The analysis focuses on the factors introduced by both the data converter and the voltage reference...
2009-05-07 1045
Design Guidelines for High-Per
Abstract: This application note will help the designer of a high-performance, multichannel, simultaneous-sampling data-acquisition system (DAS). It explains how to select the proper components and place them on the PCB to achieve optimum p...
2009-05-07 1196
數模轉換芯片AD9772A的特點及其應用
數模轉換芯片AD9772A的特點及其應用 在介紹數模轉換芯片AD9772A的基礎上，詳細描述了AD9772A的兩大特點。結合實際工程，給出了芯片的一種應用方案...
2009-05-04 3250
MCS-51與 AD7543的應用
MCS-51與AD7543的應用 在微機控制的電氣設備中，常常需要把數字信號變成模擬信號，以驅動電氣設備的運行，在這個過程中，D/A轉換是...
2009-05-04 1558
基于C8051F000的多通道數據采集范圍控制系統
基于C8051F000的多通道數據采集范圍控制系統 介紹了利用Cygnal公司的C8051F000單片機可編程窗口檢測器，進行多通道數據采集范圍控制的硬件組成和軟件設計方法。...
2009-05-04 737
奈奎斯特采樣定理
根據奈奎斯特采樣定理，需要數字化的模擬信號的帶寬必須被限制在采樣頻率fs的一半以下，否則將會產生混疊效應，信號將不能被完全恢復。這就從理論上要求一個理想的截頻為...
2009-05-04 14471
多路跟蹤濾波同步數據采集系統的研究
多路跟蹤濾波同步數據采集系統的研究 介紹了采用高速硬件鎖相環技術，對多路相關聯信號同時、同步整周期均勻采樣和抗混疊跟蹤濾波的實現方...
2009-05-04 1111
界定和動態參數測試中的高速ADC -Defining and
Abstract: The first part of this article series discusses commonly known definitions most crucial for high-speed data converters (in this case analog-to-digital converter or short ADCs) used in communications, instrumentation and data acqu...
2009-05-01 1500
Dynamic Specifications
Abstract: Analog-to-digital converters (ADCs) represent the link between analog and digital worlds in receivers, test equipment and other electronic devices. As outlined in Part 1 of this article series, a number of key dynamic parameters ...
2009-05-01 1300
How Quantization and Thermal N
Abstract: The following application note provides an insight into the mathematical definitions of quantization and thermal noise, parameters which can significantly affect the signal-to-noise ratio (SNR) and signal-to-noise plus distortion...
2009-05-01 372
選擇最佳測試音和測試設備的成功高速ADC正弦波測試-Sele
Abstract: An earlier application note, "Coherent Sampling vs. Window Sampling," covered the basics of coherent sampling. It showed differences between tests performed with coherent sampling and windowed sampling conditions. The following t...
2009-05-01 646
正確選擇輸入網絡，優化高速ADC的動態性能和增益平坦度
摘要：該應用筆記論述了如何選擇適當的變壓器和無源元件，并在不犧牲高速ADC動態性能的情況下獲得較寬的輸入頻響的增益平坦度。 對于較高IF的模/數轉換器(ADC)，...
2009-05-01 843
副邊變壓器端接提升高速ADC的增益平坦度
摘要：本應用筆記描述了變壓器原邊端接和副邊端接的區別，通常用于前置高速模/數轉換器(ADC)的信號調理鏈路。本文詳細說明了在較高中頻(IF)的應用中，兩種端接對高速ADC增益平...
2009-05-01 498
編輯推薦廠商產品技術軟件/工具OS/語言教程專題
| 電機控制 | DSP | 氮化鎵 | 功率放大器 | ChatGPT | 自動駕駛 | TI | 瑞薩電子 |
| BLDC | PLC | 碳化硅 | 二極管 | OpenAI | 元宇宙 | 安森美 | ADI |
| 無刷電機 | FOC | IGBT | 逆變器 | 文心一言 | 5G | 英飛凌 | 羅姆 |
| 直流電機 | PID | MOSFET | 傳感器 | 人工智能 | 物聯網 | NXP | 賽靈思 |
| 步進電機 | SPWM | 充電樁 | IPM | 機器視覺 | 無人機 | 三菱電機 | ST |
| 伺服電機 | SVPWM | 光伏發電 | UPS | AR | 智能電網 | 國民技術 | Microchip |
| 開關電源 | 步進電機 | 無線充電 | LabVIEW | EMC | PLC | OLED | 單片機 |
| 5G | m2m | DSP | MCU | ASIC | CPU | ROM | DRAM |
| NB-IoT | LoRa | Zigbee | NFC | 藍牙 | RFID | Wi-Fi | SIGFOX |
| Type-C | USB | 以太網 | 仿真器 | RISC | RAM | 寄存器 | GPU |
| 語音識別 | 萬用表 | CPLD | 耦合 | 電路仿真 | 電容濾波 | 保護電路 | 看門狗 |
| CAN | CSI | DSI | DVI | Ethernet | HDMI | I2C | RS-485 |
| SDI | nas | DMA | HomeKit | 閾值電壓 | UART | 機器學習 | TensorFlow |
| Arduino | BeagleBone | 樹莓派 | STM32 | MSP430 | EFM32 | ARM mbed | EDA |
| 示波器 | LPC | imx8 | PSoC | Altium Designer | Allegro | Mentor | Pads |
| OrCAD | Cadence | AutoCAD | 華秋DFM | Keil | MATLAB | MPLAB | Quartus |
| C++ | Java | Python | JavaScript | node.js | RISC-V | verilog | Tensorflow |
| Android | iOS | linux | RTOS | FreeRTOS | LiteOS | RT-THread | uCOS |
| DuerOS | Brillo | Windows11 | HarmonyOS |
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