As shown in the picture above, the pink line was originally the Keep-Out Layer. Later, when I imported the CAD file (.dwg) into AD2017, this appeared when I opened the previous project file. It used t...
Circuit design is not something you can take for granted and design it on the spur of the moment. There is a huge difference between designs made with or without experience.The Reference Circuit Colle...
For years, the automotive demise of low-dropout linear regulators (LDOs) has been predicted. However, LDO regulators continue to survive and even thrive because they are inexpensive and easy to use. I...
The wireless IC data sheet says that the operating voltage range is 1.8V~3.7V. It is powered directly by dry batteries. The battery voltage changes greatly over time, but it is also within this range,...
Live Replay: Microchip Security Series 17 - Pre-configured Wi-Fi? MCUs accelerate time to market and simplify production : https://training.eeworld.com.cn/course/26653...
Commonly used high-frequency electromagnetic field simulation software include the following: Ansoft HFSS, Designer, Emsenble. Ansoft has always used FEM (finite element method), and HFSS has an absol...
1 System Hardware Composition The crystal growth temperature control system is shown in Figure 1. The high-precision temperature transmitter amplifies the detected weak temperature difference signa...[Details]
Gartner Financial Services Innovation Awards recognize financial services organizations that innovate in the use of digital technologies Gartner has recently announced the list of winners of the 2...[Details]
ARM processor is a 32-bit reduced instruction set RISC microprocessor, which integrates rich hardware resources and is widely used in many embedded systems. S3C2440 is a 32-bit RISC embedded proc...[Details]
In LCD TV applications, a variety of architectures can be used to generate the AC waveform required to drive CCFL. The three key design challenges faced when driving multiple CCFLs are selecting th...[Details]
The concept of three-phase synchronous motor
The three-phase synchronous motor is a type of AC rotating motor, named because its speed is always equal to the three-phase synchronous speed. The...[Details]
From November 20 to 21, the "2019 China Safety Industry Conference and the 3rd Traffic Safety Industry Summit" hosted by Cheyun.com and co-organized by Electric State was held in Foshan City, Guangdo...[Details]
The 3G mobile communication system TD-LTE has high spectrum utilization and asymmetric uplink and downlink transmission, and is being used more and more. Communication base stations are becoming more...[Details]
Siemens Medical Systems Co., Ltd. (" Siemens Medical ") is now targeting the county and township pharmaceutical markets to expand its business layout in China. Siemens Medical hopes to drive busin...[Details]
At present, in most confidential communication equipment, general-purpose CPUs and dedicated hardware circuits are mainly used to control cryptographic chips to implement two types of cryptog...[Details]
1. Lifespan: 100,000 hours
Technical data provided by LED
material manufacturers indicate that the life of LED luminous bodies is 100,000 hours under ideal conditions. Ide...[Details]
DeepMind uses optical coherence tomography ( OCT ) retinal images to conduct machine learning training for eye disease diagnosis. This product is a collaboration between DeepMind and Moorfields E...[Details]
Avago Technologies has introduced a new product in the smallest RF amplifier series on the market. The new VMMK-3xxx amplifier uses Avago WaferCap chip-scale packaging (CSP) technology to provide an ...[Details]
Editor's note: Since the escalation of the Sino-US trade situation, domestic mobile phone supply chain manufacturers are accelerating the "southward migration" of the industry in order to alleviate t...[Details]
Testing the fuel system pressure on a vehicle usually requires some special tools and basic mechanical knowledge. Here are the general steps to perform a fuel system pressure test:
Note:...[Details]
0 Preface
At present, leakage protectors are widely used as a new type of low-voltage protection electrical appliance, both in cities and in rural areas. The reliability of their work directly affe...[Details]
PCB Design
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