As shown in the figure, this is the voltage generating circuit of LCD. I would like to ask how this circuit works. The measured VGL and VGH are -19V and +19V respectively. CON2 is a power strip connec...
Senior embedded software test engineerResponsibilities:1. Conduct whole R&D test process, design test plan and test cases, and track product defects.Requirement:1.M.S/B.S in Computer Science or Electr...
[i=s]This post was last edited by qwqwqw2088 on 2020-11-10 11:21[/i]Common mode radiation is caused by voltage drop in the grounding circuit (as shown in the figure below). Some parts have high potent...
Just got started with TI's platform: (I chose OMAP-L132, but there are no films or thousands of pages of documentation yet, so I chose OMAP-L138 first)
1.Does TI provide test code and bare metal sampl...
Chapter 3 of the book "Operational Amplifier Parameter Analysis and LTspice Application Simulation" is about special amplifiers, including four types of special amplifiers: instrumentation amplifiers,...
There are three essential books for getting started. The first is "Primary Textbook for Maintenance Electricians". Focus on the three chapters of low-voltage electrical appliances, asynchronous motors...
Dual-mode inverters can operate both in conjunction with the grid and independently. These inverters can inject excess energy from renewable energy and storage devices into the grid, and withdraw p...[Details]
Reflow soldering is a critical process in electronics assembly production, and the cleanliness of the reflow oven has a direct impact on product quality. Dust and residue accumulation within the ov...[Details]
ISP devices, such as field programmable devices (FPGAs and CPLDs), do not require a programmer. Using programming kits provided by the device manufacturer, they employ a top-down modular design app...[Details]
Introduction to the principles of speech recognition technology
Automatic speech recognition (ASR) technology aims to enable computers to understand human speech and extract the textual inform...[Details]
summary
There are multiple approaches to making industrial systems more intelligent, including applying artificial intelligence (AI) technology at the edge and in the cloud to sensor...[Details]
On August 22nd, Lantu Motors unveiled a new technology called "Lanhai Intelligent Hybrid" during a live broadcast of CCTV News' "Top Laboratory." The name sounds like another new term, but a closer...[Details]
introduction
According to the China Fire Statistics Yearbook, electrical fires accounted for more than 30% of fire accidents in the past decade, and the trend is increasing year by year. They ...[Details]
Electric vehicles are becoming increasingly popular, with increasingly longer ranges. There are two ways to charge electric vehicles: slow charging and fast charging. Which is the most suitable? Sl...[Details]
One of the most core components of electric vehicles is the motor. The power supply provides electrical energy to the motor, which converts this electrical energy into mechanical energy, which in t...[Details]
Electric vehicles' 12V batteries don't rely on a generator to power them. Only gasoline-powered vehicles rely on the engine to drive a generator to generate electricity while driving, which is used...[Details]
SMT placement machines are important equipment in surface mount technology (Surface Mount Technology). Their performance has a decisive impact on the quality and efficiency of electronic manufactur...[Details]
Reflow soldering, as an electronics assembly process, has become a vital component of the electronics manufacturing industry. Choosing reflow soldering equipment is crucial for improving production...[Details]
China, August 21, 2025 – STMicroelectronics (NYSE: STM), a world-leading semiconductor company serving a wide range of electronics applications, has published its IFRS 2025 semi-annual financial re...[Details]
Lightweighting of automobiles is still a relatively unfamiliar term for automobiles. With the continuous improvement of environmental protection requirements, relevant regulations have also put for...[Details]
We often hear about the precautions for using pure electric vehicles in winter, and many owners even develop relevant strategies, such as adopting a "charge as you go" principle for their vehicles,...[Details]