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電源設(shè)計(jì)應(yīng)用
常用詞匯的高速數(shù)據(jù)轉(zhuǎn)換器條款-Glossary of Fre
Abstract: The glossary provides a detailed description of AC performance terms related to high-speed data converters such as ADCs and DACs. It also gives some insight into the test conditions these parameters are specified for. ...
2009-05-08 標(biāo)簽：轉(zhuǎn)換器 915
運(yùn)算放大器關(guān)鍵術(shù)語(yǔ)
摘要：本術(shù)語(yǔ)表收集了運(yùn)算放大器的術(shù)語(yǔ)和規(guī)格參數(shù)，為設(shè)計(jì)人員提供一個(gè)簡(jiǎn)便的參考指南。 本文介紹了在運(yùn)算放大器(op amp)數(shù)據(jù)資料的Electrical Characteristics表格中列出...
2009-05-08 標(biāo)簽： 540
Low-Power 3V ADC is 0.05％ Line
Abstract: This application note describes using a microcontroller (µC) with integrated digital-to-analog converter (DAC) and comparitors to create a low cost ADC that is 0.05% linear. The simple 3V analog-to-digital...
2009-05-08 標(biāo)簽：adc 1117
Low-Cost Sample/Hold Includes
Properly connected, a quad-SPDT analog switch and op amp (Figure 1 form a sample/hold circuit. The circuit economizes during operation by switching the op amp from input to output, thereby buffering the input (VIN) during sample mode and b...
2009-05-08 標(biāo)簽：IC 1586
Current-Limit Switch Is Digita
Abstract: Current-limit switches are virtually ubiquitous in system controls. They provide a safe means for regulating the current delivered to a load circuit. The switches allow the load current to increase to a programmed limit but no hi...
2009-05-08 標(biāo)簽：current 3408
Two ICs Convert 4-20mA Signal
Abstract: This design idea describes a simple circuit that converts a 4-20mA signal to a 0V to 5V analog voltage ideal for conversion to digital with an analog-to-digital converter (ADC). The 4mA level from the transducer produces a 0V out...
理解集成的ADC-Understanding Integra
Abstract: Integrating analog-to-digital converters (ADCs) provide high resolution analog-to-digital conversions, with good noise rejection. These ADCs are ideal for digitizing low bandwidth signals, and are used in applications such as dig...
2009-05-08 標(biāo)簽：adc 1383
如何解釋DS1852溫度和電壓讀-How to Interp
Abstract: The DS1852 is a digital potentiometer with five analog inputs that can be used in conjunction with the potentiometers to gather feedback information about an analog system, as well as provide analog control functions. Its intende...
2009-05-08 標(biāo)簽：DS1852 1001
介紹DS1847用于工業(yè)控制-Introduction of
Abstract: This application note introduces the DS1847 and DS1848, dual digital temperature-controlled variable resistors, to the industrial controls market. By temperature compensating the resistors, the resistors can either remain at a sp...
2009-05-08 標(biāo)簽：DS1847 1202
再生的DS1847/DS1848電阻校準(zhǔn)常數(shù)-Regener
Abstract: The purpose of this application note is to show how the DS1847/48 digital resistor calibration constants can be regenerated. This application note assumes that the reader is familiar with the Programming the Lookup Table section ...
溫度監(jiān)測(cè)使用MAX1253/54和MAX1153/54-Te
Abstract: The MAX1253/54 and MAX1153/54 system monitors are a low cost solution for monitoring multiple temperatures in a system. This application note explains how to measure temperature using remote sensing diodes in single-ended or diff...
2009-05-08 標(biāo)簽：MAX1253 1108
電路實(shí)現(xiàn)基于PC的電壓測(cè)量-Circuit Enables
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...
2009-05-08 標(biāo)簽：PC 617
高頻電源模塊的驅(qū)動(dòng)電路的設(shè)計(jì)與研究
1、驅(qū)動(dòng)電路的基本要求 一個(gè)理想的IGBT驅(qū)動(dòng)電路應(yīng)具有以下基本性能： (1)動(dòng)態(tài)驅(qū)動(dòng)能力強(qiáng)，能為IGBT柵極提供具有陡峭前后沿的驅(qū)動(dòng)電壓脈沖； (2)IGBT...
2009-05-07 標(biāo)簽：電源 1369
PLC在可控硅直流調(diào)速系統(tǒng)中的應(yīng)用設(shè)計(jì)
可控硅直流調(diào)速系統(tǒng)控制的發(fā)展，經(jīng)歷了分立元件和集成運(yùn)放兩代模擬控制電路，最終由PLC數(shù)字程控所代替。前兩種在實(shí)踐應(yīng)用時(shí)，普遍存在由于設(shè)計(jì)問(wèn)題...
2009-05-07 標(biāo)簽：可控硅 1329
采用DSP的電源控制系統(tǒng)的軟硬件開(kāi)發(fā)
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(lái)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(shí)用戶(hù)對(duì)...
2009-05-07 標(biāo)簽：電源 1367
電路實(shí)現(xiàn)基于PC的電壓測(cè)量-Circuit Enables
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...
Simple Methods Reduce Input Ri
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 ...
2009-05-07 標(biāo)簽：charge 2148
Smart IC Maintains Uniform Bia
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...
2009-05-07 標(biāo)簽：IC 1367
熱電偶預(yù)放大器-Thermocouple Pre Amp
Abstract: Using a preamp to increase the output magnitude of a J-type thermocoupler. The simple circuit provides compensation over temperature as well as calibration capability. The MAX430 is operated at a gain of 191 to ...
2009-05-07 標(biāo)簽：放大器 1540
可選范圍電流環(huán)-Selectable-Range Curre
Abstract: This article shows an example of implementing a 4-20mA or 0-20mA current-loop output using a voltage output digital-to-analog converter (DAC) and a V to I converter. Current-loop signals, as opposed to voltage s...
2009-05-07 標(biāo)簽：電流環(huán) 1227
采用簡(jiǎn)單的穩(wěn)壓電路為高邊電流監(jiān)測(cè)器提供恒定電壓
摘要：在典型的光電二極管電流監(jiān)測(cè)應(yīng)用中，電流監(jiān)測(cè)器和雪崩光電二極管(APD)之間的壓降隨溫度和電流而變化，由此改變了總增益。本應(yīng)用筆記介紹了一種利用穩(wěn)壓電路保持電流檢...
2009-05-07 標(biāo)簽：穩(wěn)壓電路 589
電流限制電路的降壓穩(wěn)壓器-Current-Limit Cir
Abstract: This article demonstrates how to achieve current limit for the MAX1692 PWM step-down regulator by using a MAX4173H current-sense amplifier. Additional Information: Quick View Data Sheet for the MAX16...
2009-05-07 標(biāo)簽：穩(wěn)壓器 1371
A Compact, Isolated Power Supp
Abstract: This application notes describes a compact isolated switch-mode power supply that is capable of providing a 7A 3.3V output from a 40VDC–60VDC input at an efficiency of 83%–90%. The converter employs a MAX5052A current-mode PW...
2009-05-07 標(biāo)簽：Power 1547
建立一個(gè)電荷泵的超低靜態(tài)電流（靜態(tài)）-Build a Cha
Abstract: Combining low-on-resistance analog switches with a reference and ultra-low quiescent current comparator produces a discrete-component regulated charge pump that delivers 10mA, with only 7uA of quiescent current (Iq). ...
Bias Supply Powers Low-Power G
Abstract: A high-voltage bias supply for a Geiger-Mueller tube features small size and low power consumption. Many portable radiation monitors include a Geiger-Mueller tube, a simple, two-terminal, gas-filled detector tha...
2009-05-07 標(biāo)簽：Low-Power 2792
單電源運(yùn)算放大器的設(shè)計(jì)考慮
摘要：為了減小產(chǎn)品尺寸、降低成本、延長(zhǎng)電池壽命、提高電池供電系統(tǒng)的性能，設(shè)計(jì)人員加快了低電壓、單電源系統(tǒng)的開(kāi)發(fā)、應(yīng)用趨勢(shì)。這種趨勢(shì)對(duì)消費(fèi)者是有益的，但卻使得為...
2009-05-07 標(biāo)簽：放大器 1691
Inexpensive Peak Detector Feat
Abstract: This circuit, which uses a digital potentiometer (pot) and a comparator, features droopless operation that is not normally associated with peak detectors that have traditionally used rectifiers and sample-and-holds (S/H). ...
2009-05-07 標(biāo)簽：Peak 1310
AC耦合放大器無(wú)需直流偏置-AC-Coupled Ampli
Abstract: Unity gain op amp buffers capacitive transducer and other high-impedance signal sources without the need for bias resistors. Capacitive transducers and other high-impedance signal sources usually require AC coup...
運(yùn)算放大器的輸入-Operational Amplifier
Abstract: When does input bias current become a concern? Which architecture offers the lowest offset voltage? This application note introduces common op-amp input structures with their associated design advantages and challenges. ...
2009-05-07 標(biāo)簽：AmplifierAmplifierOperationa 2042
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