電源/新能源
提供權威的電源和新能源設計及電源管理資訊,內容有醫療/工業電源、LED驅動、數字電源、電池技術、太陽能光伏等電源技術方案,包括電源測試/仿真/認證、便攜電源、電動車/新能源、AC-DC與DC-DC轉換、基準/監控/保護電路等專業領域。24v轉12v電路圖-原理圖
24v轉12v電路圖 -原理圖 L1用直徑2cm的磁環,1.7的聚酯漆包線緊密穿繞35匝,然后用硅橡膠密封,否則容易產生滋滋聲。...
110v to 220v轉換電路
110v to 220v轉換電路的濾波電容采用4個200V/470uF的電容串,并聯成一個100V/470uF的電容,見圖1。當K合上時為110V電壓輸入,當K斷開時為220V電壓輸...
220v轉110電路圖
該電路的濾波電容采用4個200V/470uF的電容串,并聯成一個100V/470uF的電容,見圖1。當K合上時為110V電壓輸入,當K斷開時為220V電壓輸入,輸出的直流電壓都是(220*根...
線性電源、可控硅電源、開關電源電路的區別和特點
線性電源、可控硅電源、開關電源電路的區別和特點 關于電路結構,究竟是線性電源,可控硅電源還是開關電源...
2009-02-25 標簽:可控硅 5173
A Quick Guide To Voltage Refer
Abstract: This application note discusses the three basic voltage reference topologies and their advantages and disadvantages. Covered topics include 3-terminal series mode references (bandgap and buried zener) and 2-terminal shunt refe...
2009-02-22 標簽:References 1529
Negative-Resistance Load Cance
Negative-Resistance Load Canceller Allows Voltage Reference to Drive Heavy Loads Abstract: This application note discusses how to build a high output drive voltage reference without sacrificing tempe...
2009-02-22 標簽:Voltage 1619
Miniature, Precision Negative
Abstract: This application note discusses how to build a negative voltage reference without using external resistors or a negative supply by simply combining a simple charge-pump inverter and a positive output voltage reference. ...
2009-02-22 標簽:Negative 1027
Controlling a Variable Voltage
Abstract: Semiconductor topic: Many linear and switched-mode power supplies and voltage regulators use a resistor network as feedback into the regulator to adjust the voltage output. This is typically done either by varying the values o...
2009-02-22 標簽:Voltage 1740
Selecting the Right Series Vol
Abstract: This article provides an in depth analysis, procedure, and selection tables for selecting the optimum series voltage reference for voltage output DACs. It covers all of the important parameters such as: input supply voltage, r...
2009-02-22 標簽:Designs 1157
Accurate DC-DC Converter Minim
Whether squeezing the last millijoule from your battery or operating a cooler CPU board, the goal is to burn less power. For many loads the power dissipation varies as the square of the applied voltage, so one approach is simply to minimiz...
2009-02-22 標簽:Converter 1551
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....
2009-02-22 標簽:adc 593
P-FET Linear Regulator Has Low
P-channel MOSFETs (P-FETs), though more expensive than pnp transistors, are free of the dissipation loss associated with base drive in a pnp circuit. P-FETs also have a lower saturation voltage at light loads (Figure 1). In fact, th...
2009-02-22 標簽:Voltage 1606
適用于SAR ADC的CMOS比較器的結構與設計
本文提出一種帶時鐘控制的可再生比較器,適用于在時間上離散的信號。此設計在傳統的前置預放和鎖存器級聯的理論基礎上,通過引入交叉耦合負載、復位和鉗位技術,與文...
2009-02-20 標簽:比較器 3606
有源鉗位反激轉換器-正激式轉換器
有源鉗位反激轉換器-正激式轉換器 反激轉換器一正激式轉換器(Fly-Forward CONVERTER)最早由美國IR...
2009-02-19 標簽:鉗位 2767
變壓器磁心和結構的選取原則與繞制方法
變壓器磁心和結構的選取原則與繞制方法 變壓器的磁心和結構參數,取決于在裝配中所選用的磁心型式和繞制技術。當選擇磁心時,通常...
2009-02-19 標簽:變壓器 5024
對補償后電源系統的頻率特性要求
對補償后電源系統的頻率特性要求 電源系統設計的原則(對補償后的頻率特性要求)如下: (1)增益交越頻率ωc足夠高,則...
2009-02-19 標簽:頻率特性 1054
Encounter數字實現系統的先進節點技術
Cadence公司最新推出的Encounter Digital Implementation System采用領先的多CPU基礎架構與高級存儲器結構,實現了端到端并行處理流程,實現了極高的從RTL-to-GDSII的可調整性...
2009-02-17 標簽:數字 890
灰色預測控制在有源濾波器中的設計應用
為了保證有源電力濾波器的工作性能,實時準確的檢測出負載中的諧波分量,獲取正確的諧波補償信號至關重要。目前諧波電流檢測的主要方法有基于瞬時無功功率理論、基...
2009-02-17 標簽:濾波 642
航天器DC/DC變換器的可靠性設計
衛星用DC/DC變換器的高可靠和長壽命,是確保其完成飛行使命的基本條件之一。但人們對DC/DC變換器可靠性的認識通常集中在元器件固有質量或產品組裝工藝缺陷方面,往往忽略了...
2009-02-17 標簽:可靠性 1237
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