Signals and Systems is a national key textbook for general higher education in the "Ninth Five-Year Plan" published by Higher Education Press. The editor is Zheng Junli, professor of the Department of...
The current of a normal PCB design will not exceed 10 A, or even 5 A. Especially in home and consumer electronics, the continuous working current on the PCB usually does not exceed 2 A. However, I rec...
As shown in the picture, the simulation is good, giving a 0-5V sine wave, but after the actual board is powered on, the first op amp becomes hot and the power is also very high. What is the problem?...
1. Composition structure and working principle
1. Sensor structure
The simplified structure of the sensor
is shown in the figure. Its connecting rod can move horizontally, and a thi...[Details]
1 Introduction
With the development of science and technology, robots will have broad application prospects in the fields of space exploration, disaster relief and explosion prevention, an...[Details]
summary
In a distributed base station system, RRU usually achieves remote interconnection with BBU through optical fiber. Due to the characteristics of optical fiber itself, jitter and drift will...[Details]
1. What is embedded capacitance?
Capacitors made of special materials are placed in the inner layer of the PCB.
(The main component of FaradFlex embedded capacitance material is modifie...[Details]
Any non-synchronous DC/DC converter requires a so-called freewheeling diode. To optimize the overall efficiency of the solution, a low forward voltage Schottky diode is often preferred. Many desig...[Details]
From August 9 to 12, the 2022 World 5G Conference (W5GC) will be held in Harbin, Heilongjiang Province, hosted by the People's Government of Heilongjiang Province, the National Development and Refo...[Details]
Beijing time on the 4th, Apple CEO Tim Cook said in an interview with the French newspaper Les Echos that he is not worried about the company's iPhone sales at all and expects a new growth cycle in t...[Details]
High-speed transmission interface manufacturer Parade-KY has benefited from the strong momentum of PC-related product sales driven by the demand for working from home. Industry insiders are optimisti...[Details]
The hottest industry at present is the Internet of Things, and the challenge facing the design of IoT products is how to maximize the power supply time of its ultra-small battery. These smart devices...[Details]
The 5V input, 1.3~3.5V/20A output programmable power supply circuit is composed of components such as LTC1708.
Oscillation frequency = 310kHz; VTl~VT4: FAIRCHILD FDS7760A; Ll~L2: SUMIDA CEP125-1R5M...[Details]
The collision sensor is a control signal input device in the airbag system. Its function is to detect the intensity signal of the car collision when the car collides, and input the signal into the ...[Details]
企查查显示，6月7日，华为数字能源技术有限公司成立，法定代表人为胡厚崑，注册资本30亿人民币，经营范围包括在线能源计量技术研发；新兴能源技术研发；能量回收系统研发；机电耦合系统研发；新能源汽车换电设施销售等。 The equity penetration chart shows that the new company is wholly owned by Huawei Technologies...[Details]
On August 26, the 2020 World Semiconductor Conference with the theme of "Open Cooperation, World with One Core" was held in Nanjing. At the meeting, Professor Wei Shaojun, Director of the Institut...[Details]
The Tianyancha App shows that on October 28, Huawei Technologies Co., Ltd.’s patent for “Cockpit System Adjustment Device and Method for Adjusting the Cockpit System” was authorized. The patent summa...[Details]
On October 24, the "Xpeng P7+AI Intelligent Driving Technology Sharing Conference and the First Release of AI Dimensity 5.4.0" was held in Guangzhou. Dr. Li Liyun, Vice President of Xiaopeng Motors...[Details]
Test/Measurement
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