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Regarding the design of mobile phone radio frequency (RF) circuits, this article takes the test of SAW filters as an example to discuss the following three issues: how to use a single-ended vector ...[Details]
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What is a three-phase asynchronous motor
The three-phase asynchronous motor is a common type of AC motor. It has a simple structure, high reliability, and long service life. It is widely used ...[Details]
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Since 1975, test engineers have been using open standard interfaces such as GPIB (IEEE 488 standard), and later, a family of automated test standards emerged. These standards define interface buses, m...[Details]
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After the release of PCIe 5.0 Base Specification v1.0 in mid-2019, Synopsys released the world's first IP supporting PCIe 5.0 Base Specification v1.0 and demonstrated the environment for verifying tr...[Details]
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1. Reasons for high measured hardness values: During the use of the Leeb hardness tester, the impact ball head in the probe repeatedly impacts the surface of the workpiece. After a period of time, th...[Details]
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On January 23, Huawei held its annual online conference with the theme of "Together, Start Again". At the conference, Huawei's Sports and Health Science Laboratory was unveiled for the first ti...[Details]
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Recently, in order to support the development of the integrated circuit design and software industries, the Ministry of Finance’s official website issued an announcement on the corporate income tax p...[Details]
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The process for calculating the junction temperature of most semiconductor components is well known. Typically, the case or pin temperature is known. The power dissipated by the die is measured and m...[Details]
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1. Introduction According to the law of historical development, the current transition period is when high-frequency UPS replaces industrial-frequency UPS. During this period, the output transformer...[Details]
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1. Before using the inverter, you must first be familiar with its panel display and keyboard operation unit, and set the parameters reasonably according to the requirements of using the on-site ope...[Details]
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(1) Indispensable in the production site
With the high modernization of production systems, various sensors are needed to achieve high-precision, high-speed, flexible, information-based and hi...[Details]
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1. Hardware Solution With 51 single chip microcomputer as the core, A44E Hall sensor measures the number of revolutions, realizes the measurement and statistics of bicycle mileage/speed, and uses dig...[Details]
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This is the current waveform of the transistor captured at startup. As you can see, at the moment of startup, the current through the transistor is very large. After the light turns on, the current...[Details]
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According to media reports, existing ultrasound technology can identify "plaque" accumulated on the walls of arteries to determine whether it is at risk of collapsing and causing a hear...[Details]
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1 Overview
Many MCU applications need to execute many tasks at the same time. For such applications, we can use real-time operating systems to flexibly arrange system resources. RTX51 is a...[Details]