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 characteristics, essent...

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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 oscil...

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Dec 20 2019

Lithium Battery and Lithium-ion Battery Chemistry Information

Ⅰ Introduction Lithium batteries are a type of batteries that use 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. L...

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Dec 14 2019

New Type of Non-volatile Computer Memory Technique

Ⅰ Introduction In recent years, with the rapid development of the internet of things (IOT) and electronic technologies, embedded devices such as mobile phones, smart watches, and sports bracelets have become important elements of cloud computing, IOT, and big data analytics. Embedded term...

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Dec 6 2019

Filter (Signal Processing) Basics in Electronics

Ⅰ. Filter Definition In 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...

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Dec 3 2019

What Sensors Are In The Phone?

1. IntroductionThe development speed of smart phone technology is unimaginable, which includes sensor technology. Sensors in mobile phones have the ability to make a big difference in our way of life.Sensors in mobile phones refer to those components that can be sensed by chips, such as respons...

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Nov 30 2019

Basic Knowledge of Fuse

Ⅰ The Role of the Fuse1. Under normal circumstances, the fuse acts as a connection circuit in the circuit.2. In the case of abnormal (overload), the fuse acts as a safety protection element in the circuit, and safely cuts off and protects the circuit by blowing itself. Figure 1.Ⅱ Work...

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Nov 30 2019

Ferroelectric Random Access Memory (FeRAM / FRAM) Technique

Ⅰ. Introduction With the improvement of computer technology, the demand for non-volatile memory is increasing, their read and write speed requirements are getting faster and faster, and the power consumption  are becoming smaller and smaller as required by users. But the tr...

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Nov 30 2019

Thermal Relay

Ⅰ The Working Principle and Structure of Thermal Relay1.1 The Role and Classification of Thermal RelayIn the electric drag control system, when the three-phase AC motor runs under abnormal conditions such as long-term under-load and under-voltage operation, long-term overload operation, and lon...

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Nov 29 2019

Differential Transformer and Its Application

Ⅰ IntroductionA differential transformer is an electromagnetic inductive displacement sensor that converts mechanical displacement into an electrical signal. It mainly relies on the displacement of the movable iron core in the cylindrical coil, and establishes a mutual induction relationship be...

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