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8位模擬數字轉換器(ADC)的設計實現

Abstract: This design idea explains how to implement an 8-bit analog-to-digital converter (ADC), using a microcontroller

標簽： ADC 8位模擬數字轉換器設計實現

上傳時間： 2013-10-30

上傳用戶：愛死愛死
信號鏈和PLC是如何影響我們的生活

Abstract: It is incredible how many programmable logic controls (PLCs) around us make our modern life possible and pleasant.Machines in our homes heat and cool our air and water, as well as preserve and cook our food. This tutorial explains the importanceof PLCs, and describes how to choose component parts using the parametric tools on the Maxim's website.A similar version of this article was published February 29, 2012 in John Day's Automotive Electronic News.

標簽： PLC 信號鏈

上傳時間： 2013-11-10

上傳用戶：liaocs77
Stabilize Your Transimpedance Amplifier

Abstract: Transimpedance amplifiers (TIAs) are widely used to translate the current output of sensors like photodiode-to-voltagesignals, since several circuits and instruments can only accept voltage input. An operational amplifier with a feedback resistor fromoutput to the inverting input is the most straightforward implementation of such a TIA. However, even this simple TIA circuit requirescareful trade-offs among noise gain, offset voltage, bandwidth, and stability. Clearly stability in a TIA is essential for good, reliableperformance. This application note explains the empirical calculations for assessing stability and then shows how to fine-tune theselection of the feedback phase-compensation capacitor.

標簽： Transimpedance Stabilize Amplifier Your

上傳時間： 2013-11-13

上傳用戶：daoyue
數字集成電路設計Digital Integrated Circuit Design

This unique guide to designing digital VLSI circuits takes a top-down approach, reflecting the natureof the design process in industry. Starting with architecture design, the book explains the why andhow of digital design, using the physics that designers need to know, and no more.Covering system and component aspects, design verification, VHDL modelling, clocking, signalintegrity, layout, electricaloverstress, field-programmable logic, economic issues, and more, thescope of the book is singularly comprehensive.

標簽： Integrated Digital Circuit Design

上傳時間： 2013-11-04

上傳用戶：life840315
MAX20021,MAX20022示例PCB布局指南

Abstract: This application note explains how to layout the MAX20021/MAX20022 automotive quad powermanagementICs (PMICs) to maximize performance and minimize emissions. Example images of a fourlayerlayout are provided.

標簽： MAX 20021 20022 PCB

上傳時間： 2013-11-19

上傳用戶：18711024007
MR16 LED驅動MR16 LED燈與電子變壓器兼容

Abstract: There are differences between the operation of low-frequency AC transformers and electronic transformersthat supply current to MR16 lamps, and there are also differences in the current draw for MR16 halogen lamps andMR16 LED lamps. These contrasts typically prevent an MR16 LED lamp from operating with most electronictransformers. This article explains how a high-brightness (HB) LED driver optimized for MR16 lamps will allow LEDlamps to be compatible with most electronic transformers.A similar version of this article appeared on Display Plus, July 7, 2012 and in German in Elektronikpraxis, October 1,2012.

標簽： LED MR 16 驅動

上傳時間： 2013-10-14

上傳用戶：playboys0
優化輸電線路精確測量電壓駐波比(VSWR)

Abstract: Impedance mismatches in a radio-frequency (RF) electrical transmission line cause power loss andreflected energy. Voltage standing wave ratio (VSWR) is a way to measure transmission line imperfections. Thistutorial defines VSWR and explains how it is calculated. Finally, an antenna VSWR monitoring system is shown.

標簽： VSWR 輸電線路精確測量電壓駐波比

上傳時間： 2013-10-19

上傳用戶：yuanwenjiao
電平轉換控制功率MOSFET

Abstract: Some power architectures require the power supply sequencer (or system manager) to controldownstream power MOSFETs to allow power to flow into branch circuits. This application note explains howsystem power sequencing and level shifting can be accomplished using a low-voltage system manager

標簽： MOSFET 電平轉換控制功率

上傳時間： 2013-11-02

上傳用戶：wys0120
TPS65930 TPS65920與OMAP3530硬件連接

This document describes the system hardware implementation for the OMAP3530 processor and theTPS65930/20 companion power integrated circuit (IC). The document concentrates on the powerconnectivity for the processor and the companion power IC. The document also briefly explains someother specifics related to power, such as the boot modes and the power-up sequence.

標簽： TPS 65930 65920 3530

上傳時間： 2013-11-14

上傳用戶：yeling1919
Reading and Writing iButtons v

Abstract: This application note explains the hardware of different types of 1-Wire® interfaces and software examples adapted to this hardware with a focus on serial ports. Depending on the types of iButtons required for a project and the type of computer to be used, the most economical interface is easily found. The hardware examples shown are basically two different types: 5V general interface and 12V RS-232 interface. Within the 5V group a common printed circuit board could be used for all circuits described. The variations can be achieved by different populations of components. The same principal is used for the 12V RS-232 interface. The population determines if it is a Read all or a Read/Write all type of interface. There are other possible circuit implementations to create a 1-Wire interface. The circuits described in this application note cover many different configurations. For a custom application, one of the described options can be adapted to meet individual needs.

標簽： iButtons Reading Writing and

上傳時間： 2013-10-29

上傳用戶：long14578