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Dec 31 2019

Principle, Characteristics and Main Parameter of Thyristor

IntroductionThyristor, commonly known as silicon controlled rectifier(SCR), its normative term is reverse blocking three-terminal thyristor. Thyristors are high-power semiconductor devices that have both switching and rectifying functions, and are used in various circuits such as controllable rectif

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Dec 31 2019

What is Laser Sensor: Working, Function and Application

I IntroductionLaser sensor is a kind of sensor which uses laser technology to measure. It is generally composed of laser, optical parts and photoelectric devices. It can convert the measured physical parameters (such as length, flow, speed, etc.) into optical signals, and then use photoelectric conv

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Dec 31 2019

Selection, Replacement and Detection of Thyristor

IntroductionThyristor is a four semiconductor layers or three PN junctions devicea solid-state semiconductor device with four layers of alternating P- and N-type materials. It is also known as “SCR” (Silicon Control Rectifier). The term “Thyristor” is dervid from the words of

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Dec 30 2019

Basic Knowledge of PCB

IntroductionA printed circuit board (PCB) mechanically supports and electrically connects electrical or electronic components using conductive tracks, pads and other features etched from one or more sheet layers of copper laminated onto and/or between sheet layers of a non-conductive substrate. A PC

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Dec 28 2019

Operational Amplifier Basics in Electronics Overview

Ⅰ IntroductionAn operational amplifier, or op-amp for short, is fundamentally a voltage amplifying device designed to be used with external feedback components such as resistors and capacitors between its output and input terminals.  Learn more about the most common opamp basics, essential kno

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Dec 24 2019

Why Can't Aluminum Electrolytic Capacitor Withstand Reverse Voltage?

Ⅰ IntroductionAs we all know, capacitors have always played a very important role in electronic circuits. They are responsible for the coupling of signals in electronic circuits, the differentiation of volt-ampere characteristics in RC circuits, such as integration, the "channel" in oscillating circ

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Dec 20 2019

Lithium Battery and Lithium-ion Battery Chemistry Information

Ⅰ IntroductionLithium batteries are a type of battery that uses lithium metal or lithium alloy as the cathode material and use a non-aqueous electrolyte solution. Lithium battery is an ambiguous term. In 1912, lithium metal batteries were first proposed and studied by Gilbert N. Lewis. In the 1

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Dec 14 2019

New Type of Non-volatile Computer Memory Technique

Ⅰ IntroductionIn recent years, with the rapid development of the internet of things (IoT) and electronic technologies, embedded devices such as mobile phones, smartwatches, and sports bracelets have become important elements of cloud computing, IoT, and big data analytics. Embedded terminal devices

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Dec 6 2019

Filter (Signal Processing) Basics in Electronics

Ⅰ. Filter DefinitionIn electronics, a filter (signal processing) is a kind of devices or process that removes some unwanted components or features from a signal. Filtering is a class of signal processing, the defining feature of filters being the complete or partial suppression of some aspect o

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Dec 3 2019

What Sensors Are In The Phone?

CatalogⅠ IntroductionⅡ Types of sensors in the phone  2.1 Acceleration sensor  2.2 Gravity sensor  2.3 Light sensor  2.4 Proximity sensor  2.5 Magnetism Sensor  2.6 Gyroscope  2.7 GPS position sensor  2.8 Hall Sensor  2.9 Air pressure sensor&nbs

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