Dec 28 2019
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
Dec 24 2019
Ⅰ. Introduction As 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 c
Dec 20 2019
Ⅰ IntroductionLithium 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. Lew
Dec 14 2019
Ⅰ IntroductionIn 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 termin
Dec 6 2019
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
Dec 3 2019
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
Nov 30 2019
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
Nov 30 2019
Ⅰ IntroductionWith 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 tradi
Nov 30 2019
IntroductionThermal relay is a protective device. are protective devices. It is used in conjunction with a contactor to protect electric motors. The basic working principle of thermal relay is that, when a bimetallic strip is heated up by a heating coil carrying over current of the system, it
Nov 29 2019
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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