1 引言       隨著現(xiàn)代電力電子技術(shù)的不斷進(jìn)步和信息技術(shù)的發(fā)展，逆變電源越來越廣泛的應(yīng)用于通訊、航海、航空、醫(yī)療、軍事等諸多領(lǐng)域，同時用戶對...

Abstract: In its simplest form, the PC voltmeter consists of a 4-channel, 10-bit A/D converter (IC2) with a few passive components, connected to the PC printer port via a 25-pin male D-type connector. In its simplest form...

In Figure 1, a standard boost converter consisting of IC1, C1, L1, D1, and C2 generates, in addition to the main output, two auxiliary supply rails (10V and -5V) with the addition of some small and very low-cost extra components. Such rail...

Abstract: Charge pumps are a form of DC-DC converter that rely on capacitors instead of inductors for energy storage and transfer. The absence of inductors makes them attractive in situations requiring a low-power auxiliary supply (output ...

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....

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...

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...

摘要：大多數(shù)現(xiàn)代系統(tǒng)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(qū)動外部負(fù)載(工業(yè)應(yīng)用中非常普遍)。盡管有些數(shù)/模轉(zhuǎn)換器(DAC)能夠以±10V的擺幅驅(qū)動...

摘要：本程序員手冊提供MAX5290-MAX5295，MAX5580-MAX5585，MAX5590-MAX5595用戶可編程D/A轉(zhuǎn)換器(DAC)的詳細(xì)時序圖和高級編程特性。 本手冊為MAX5290-MAX5295，MAX5580-MAX5585，MAX5590-MAX559...

Abstract: This application note demonstrates how to make a simple system that monitors temperature and analog voltages remotely. On meeting certain alarm conditions, the system can send SMS messages, which are then converted to E-mail and ...

摘要：本文探討了時鐘公差對Σ-Δ ADC中低通抽樣和數(shù)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(yīng)用通常利用數(shù)字濾波器提供50Hz、60Hz或50Hz/60Hz的噪聲抑制。在選擇...

摘要：在一個主機(jī)和多個從器件的典型SPI系統(tǒng)中，通常采用專門的片選信號來尋址從器件。隨著從器件數(shù)量不斷增加，片選線也隨之增多。這種情況將給電路板布板帶來很大的挑戰(zhàn)...

摘要：RF衰減是無線設(shè)計中的常見電路，本應(yīng)用筆記詳細(xì)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...

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...

摘要：該篇應(yīng)用筆記給出了多個具有多路輸入或集成內(nèi)插濾波器的高速復(fù)用數(shù)模轉(zhuǎn)換器(DAC)的同步方法。這樣的DAC用于I/Q上變頻器或數(shù)字波束成形發(fā)射器中。這些DAC可提供數(shù)據(jù)時鐘輸...

摘要：本應(yīng)用筆記對數(shù)/模轉(zhuǎn)換器(DAC)和數(shù)字電位進(jìn)行了對比，傳統(tǒng)的數(shù)字電位器用于替代機(jī)械電位器。隨著分辨率的提高和功能的增多，數(shù)字電位器也可用來取代一些傳統(tǒng)的DAC應(yīng)用...

摘要：本應(yīng)用筆記介紹了在測量芯片外部溫度的情況下，優(yōu)化MAX1358/MAX1359/MAX1360數(shù)據(jù)采集系統(tǒng)溫度讀數(shù)精度的解決方案。 引言MAX1358/MAX1359/MAX1360數(shù)據(jù)采集系統(tǒng)內(nèi)...

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...

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...

Abstract: A current sensor that monitors the drain-source current (IDS) at the source of the MESFET and provides feedback to the gate input overcoming the drawbacks of gate-turn-on threshold voltage variations for gallium-arsenide metal-se...