Jun 28 2019
IntroductionLinear-regulated power supply refers to the DC-regulated power supply when the regulating tube works in a linear state. It is a power conversion circuit and an important part of the electronic system. Its function is mainly to provide the electronic circuit with the power it needs. Elect
Jun 28 2019
Low pass active filters are covered in this presentation. For those people who have never worked with filters, a short overview of terminology relating to filter characteristics and terminology precedes the actual discussion. The Sallen-Key topology and Butterworth low pass filter are discussed, o
Jun 21 2019
IntroductionThe single-phase sine wave SPWM inverter power supply required in this article is designed to form a circuit by using operational amplifiers, diodes, power FETs, capacitors and resistors. The inverter power supply is a device that uses power electronics to convert powe
Jun 21 2019
CatalogⅠ Introduction1.1 Terminology1.2 LED MaterialⅡ Working PrincipleⅢ LED Characteristics3.1 Unidirectional Connectivity3.2 Polarity3.3 Efficacy3.4 Usability3.5 Stability3.6 Response Time3.7 Environmental pollution3.8 ColorⅣ LED ParametersⅤ LED TypesⅥ LED Development6.1 Light Efficiency Deve
Jun 15 2019
IntroductionThe adjustable DC-regulated power supply adopts the current international advanced high-frequency modulation technology. Its working principle is to widen the voltage and current of the switching power supply, realize the wide range adjustment of voltage and current, and expand the appli
Jun 15 2019
Making an Audio Power Amplifier Catalog Ⅰ IntroductionⅡ Operational PrincipleⅢ Primary Classification3.1 Voice Playback System3.2 ClassificationⅣ Basic Structure4.1 Three Parts4.2 Active Device Components Used in the Power AmplifierⅤ Selection TipsⅥ Common T
Jun 11 2019
IntroductionThis article mainly introduces the basic knowledge of electrolytic capacitors, including their parameters, classification, applications, etc. CatalogIntroductionⅠ What Is Electrolytic Capacitors 1.1 Definition 1.2 Parameters 1.3 Lifespan of electrolytic capacit
Jun 3 2019
An amplifier is a device that amplifies the voltage or power of an input signal, consisting of tubes or transistors, power transformers, and other electrical components. Used in communications, broadcasting, radar, television, automatic control and other devices. Op-amps are the backbone of analo
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