Sep 30 2019

The Design for High Precision DC Micro Resistance Tester

IntroductionThis part mainly studies the basic theory of high precision micro resistance tester. According to its size, the resistance can be divided into high resistance (more than 100k) and medium resistance (1 to l00k.) And micro resistance (below 1). This topic main studies the resista...

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Sep 29 2019

Battery Basic: Types of Electric Battery

IntroductionBatteries have been widely used in life, from electric toys, dry batteries for remote control, car batteries, laptops batteries, and so on. Batteries also have been used in many other fields, such as electric tools, electric vehicles and bicycles, aerospace, solar and wind powe...

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Sep 23 2019

Application of Series Compensation Capacitor in EHV Transmission System

IntroductionA series compensation device is used on the transmission line to improve the stable transmission capacity of the system, improve the electrical parameters of the line, and realize the power of three lines to transport three lines, which not only improves the transmission power but also s...

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Sep 19 2019

20 Formulas for Basic Configuration of Operational Amplifier Common Design

Although there are many types of amplifiers, different amplifiers are suitable for interfacing with different types of sensors, but most complex amplifiers are built by combining operational amplifiers. In almost cases today, op amps are configured in different ways using a feedback network to ...

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Sep 18 2019

Typical Diode Characteristics and It’s V-A Curve

IntroductionA diode is a two-terminal device with unidirectional conduction. There are electronic diodes and crystal diodes. Most common and commonly used are crystal diodes. The unidirectional conduction characteristics of diodes are used in almost all electronic circuits, and it plays an impo...

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Sep 17 2019

Basic Vacuum Tube Structure

IntroductionAn electron tube is an electronic device that generates current conduction in a hermetic closed  glass container, and utilizes an electric field to attract electrons in a vacuum to obtain signal amplification or oscillation.That is, a cathode electron-emitting portion, a c...

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Sep 9 2019

Classification of Temperature Sensor and Application

Introduction:Temperature, as one of the seven basic quantities of the international unit system, is a variety of sensors for measuring temperature. The temperature sensor is the core part of the temperature measuring instrument. In a word, the temperature sensor is a sensor that can sense tempe...

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Sep 7 2019

What is Vacuum Tube? Basic Structure and Types

 Catalog Article Core IntroductionHistory1) Based on Specific RequirementVacuum TubeNoteAdvantages and Disadvantages2) Based on Specific Circuit ParametersTerminologyVacuum Tube Gate (Grid)TypesApplication AttentionsVacuum Tube CathodeVacuum Tube AnodeSelectionExpand Service Life ...

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Sep 2 2019

How To Test Ground Resistance?

I Introduction When power frequency current or impulse current flows from the ground electrode to the surrounding earth, the resistance presented by the soil is called the ground resistance. Ground resistance testing methods are usually the following: two-line method, three-line method, four-line ...

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