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The performance of listed companies objectively reflects the market conditions. In 2021, due to the shortage of raw materials such as chips, the performance of mobile phone concept stocks was lower t...[Details]
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Central topics:
Basic Buck Converter
Working principle of drive circuit
Current Limiting and Soft Switching
Offline devices such as smart meters or p...[Details]
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Samsung Electronics, the world's largest memory chip and smartphone maker, will release its fourth-quarter earnings report on Friday, with analysts expecting it to report record fourth-quarter profit...[Details]
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1. Experimental Purpose Master the steps of using the 51 single-chip microcomputer development board; Master the installation process of the software required for the 51 MCU development board; Take...[Details]
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1. The failure conditions are as follows: The driver installation is correct (the board is automatically installed after the USB is plugged in): If the MCU selected in config is correct, an error ...[Details]
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Digital tools like motivational text messages that try to nudge people into doing more physical activity are not effective for the poor, according to a new meta-analysis. In one of the most comp...[Details]
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Earlier, according to xiaomiui, Xiaomi's second folding screen model MIX FOLD 2 appeared in the IMEI database and passed the certification. The model of this phone is "22061218C", abbreviated as...[Details]
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This paper summarizes the characteristics of several common road lighting test technologies and methods, and focuses on introducing a simple and efficient single-lamp actual measurement synthesis tes...[Details]
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At present, the average yield of 5nm EUV has reached 80%, and the peak can reach more than 90%. The new 5nm process has been put into trial production and is scheduled to be put into mass production ...[Details]
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By David Decker, Director, Interconnect Technology, Samtec Inc. As component density in electronic systems increases, designers often choose connectors with a coplanarity of no more than 0.10 mm ...[Details]
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Conductivity meter The conductivity meter is an online water quality analyzer with a wide temperature range and is developed for high-end water quality management and automation control in medical mu...[Details]
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0 Introduction
With the development of the electronics industry, there are more and more electronic products, and the density of components on circuit boards is getting higher and higher, and m...[Details]
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Electric vehicle (EV) onboard chargers (OBCs) can take many forms depending on power level and functionality, ranging from less than 2kW in applications such as electric locomotives to 22kW in high...[Details]
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1 Introduction
With the continuous improvement of electrification and automation of automobile parts and the high requirements for noise, electromagnetic compatibility and efficiency of automobi...[Details]
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1. Introduction
The distribution transformer is the basis for connecting the power grid and users. Its operating status is directly related to whether users can use electricity reliably. T...[Details]