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introduction:
With the development of social productivity and the increasing prosperity of the market economy, especially after my country joined the World Trade Organization, my country's elect...[Details]
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According to foreign media reports, Honda announced that side mirrors will replace traditional rearview mirrors as a standard feature of its upcoming Honda E electric car. These cameras will not refl...[Details]
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To describe
the logical function of
a trigger
, the following three methods are usually used:
1. State transition truth table
In order to show the relationship between the next st...[Details]
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AT89S52: P0: does not contain a pull-up resistor, requires an external P1, P2, P3: Internal pull-up resistors There is a crystal oscillator on the lower left. The reset of 51 MCU is high level rese...[Details]
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Laser theodolite is a common type of theodolite, which has the advantages of accurate measurement, easy maintenance, flexible use, and durability. Laser theodolite has a wide range of applications, so...[Details]
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Electromagnetic compatibility (EMC) refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic environments. The purpose of electromagnetic...[Details]
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Although the packaging industry is considered the "strongest point" of the mainland semiconductor industry, with the evolution of advanced packaging and the arrival of various forces, the advanced pa...[Details]
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On February 4, it was learned from the Southwest Branch of State Grid Corporation of China that in the face of the epidemic, the branch strengthened its organizational leadership, and further refin...[Details]
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Electromagnetic torque can be expressed in the following three ways:
1. Kinetic Energy Theorem: T = ΔK/Δθ
Among them, ΔK is the incremental kinetic energy obtained by the rotating object ...[Details]
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Central topics:
Basic relationship of PFC continuous operation mode of boost power circuit
Critical Continuous Boost Inductor Design
Usually, there are three operating modes of PFC i...[Details]
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Examples of using super-regenerative radios to receive commercial FM radio stations can be found on major websites on the Internet. Because the circuit is very simple, it will be very impressive to...[Details]
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According to the official website of Xingfa Group, Hubei Xingfu Electronic Materials Co., Ltd., a subsidiary of Xingfa Group, has recently made a major breakthrough in technological innovation. Its e...[Details]
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#include reg51.h //header file #define keys P1 //macro definition matrix keyboard #define smg P0 //macro definition digital tube sbit SMGA=P2^2; //bit definition sbit SMGB=P2^3; sbit SMGC=P2^4; unsig...[Details]
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1 Introduction
A phase-locked loop is a circuit that can synchronize the output signal with the input signal in frequency and phase, that is, after the system enters the locked state (or syn...[Details]
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The core technology of new energy vehicles is still the "three-electric" system, including batteries, motors, and electronic control systems. In addition, due to the rapid development of inte...[Details]
Analog electronics
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