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Recently, it was reported that Apple's negotiations with CATL and BYD on battery supply for Apple's car-making project have stalled. It is understood that the fundamental reason is that the two Chine...[Details]
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Recently I ported a UCOSII to STM8L, let’s start with the compiler. Since IAR is very similar to VC++, I chose it directly. 1. Function parameter passing It is known that it uses 16 virtual registers...[Details]
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Anchoring technology is the main method of geotechnical reinforcement engineering. It has been widely used in tunnel, slope, mountain reinforcement and other projects in mining, rail...[Details]
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According to the Hubei Provincial Communications Administration, the construction of communication facilities and 5G network deployment tasks for the second "Xiaotangshan" hospital in Wuhan, Leishens...[Details]
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August 26, 2021 – Mouser Electronics, the leading global distributor of electronic components focused on introducing new products that drive innovation, announced that its engineering customers have ...[Details]
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1. Definition of CATV carrier-to-noise ratio (C/N):
Refers to the ratio of the effective value of the image carrier level to the root mean square value of the system noise level within the specified ...[Details]
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Recently, there have been reports in the industry that TSMC, the leading foundry company, has notified its customers that it will raise foundry prices by 5%-8% starting in January 2023. At the same t...[Details]
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The USB 3.1 connector will be unveiled. The Universal Serial Bus Developers Forum (USB-IF) announced that it has begun developing the USB Type C connector based on USB 3.1 and USB 2.0 technologies. ...[Details]
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Syringe sliding performance tester, cartridge leakage performance sliding performance tester Introduction: The cartridge bottle is also known as the borosilicate glass sleeve for pen-type syringes....[Details]
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As mobile phones are always with us, it is inevitable that they will be lost. At this time, the positioning function of the mobile phone becomes very important. Recently, Ms. Li took a special car ...[Details]
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UPS power supply testing generally includes two types: steady-state testing and dynamic testing. Steady-state testing is to test the phase voltage, line voltage, no-load loss, power factor, effic...[Details]
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摘要:提出一种改进的基于三电平拓扑的电力电子变压器(PET)。输入级、隔离级与输出级结构分别采用二极管箝位式三电平PWM整流器、零电压开关半桥三电平DC/DC变换器和两电平逆变器。与两电平PET相比,可在有效提高输入电压等级的同时降低开关损耗。针对变压器各环节结构特点设计了控制方案,并在配电系统环境下对其进行了建模和仿真。仿真结果表明,在稳态运行及电源波动、负载投切等动态运行条件下,三电...[Details]
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Weighing sensor is a commonly used measuring instrument, which has certain applications in many industries. The selection of display controller for weighing sensor is also very important for the use o...[Details]
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1. Main functions of PCB circuit board tester
The basic principle of functional testing of digital chips is to detect and record the input/output status of the chip, compare the recorded status w...[Details]
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On October 23, Bloomberg reported today that Arm plans to cancel the license that allows its long-term partner Qualcomm to use Arm intellectual property to design chips.
Documents obtained by ...[Details]