University of Electronic Science and Technology of China "Communication Principles" classic course (39 lectures in total) : https://training.eeworld.com.cn/course/3888...
As shown in the figure below, NMOS and PMOS are used as a protection circuit to prevent reverse connection of the power supply. [1] The circuit diagram of the PMOS tube is easy to understand. For the ...
Field Programmable Gate Arrays (FPGAs) are typically composed of thousands of programmable logic cells. A matrix of wires and programmable switches interconnects the individual logic cells. A typical ...
1. Flip chip In 1998, Lumileds packaged the world's first high-power LED (1W LUXOEN device), which changed the previous indicator light application of LED devices into a new solid light source that c...
1. Equipment Overview
Shell-and-tube heat exchangers are a common heat exchange device used in chemical evaporation and heating equipment. Currently, the tubesheets of shell-and-tube heat exch...[Details]
On August 18th, Galaxis, a specialist in integrated intelligent intralogistics robotics, officially unveiled its next-generation, ultra-narrow aisle forklift mobile robot, the "VFR Ultra-Narrow Ser...[Details]
Since its invention in the mid-1940s, the microwave oven has evolved from a humble beginning to commercial use, entering homes in the 1960s and rapidly gaining popularity. Its basic functionality a...[Details]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
A half-bridge is an inverter topology for converting DC to AC. A typical half-bridge circuit consists of two controller switches, a three-wire DC power supply, two feedback diodes, and two capacito...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
With growing environmental awareness, the continuous improvement of three-electric technology and the increasing deployment of infrastructure such as charging stations, the electrification of new e...[Details]
Civilian internal combustion engines operate in the range of approximately 1000-4000 rpm. This results in the engine's kinetic energy being ineffective at low or high rpm, making starting difficult...[Details]
01. Introduction
As in-vehicle networks migrate from the CAN
bus
to
Ethernet
, traditional millisecond-level synchronization accuracy can no longer meet the requirements of mul...[Details]
Lithium-ion batteries are a key component of electric vehicles. Their high energy density enables them to store a large amount of energy in a relatively compact and lightweight package, which is cr...[Details]
introduction
The widespread use of air conditioner communication circuits began with the rise of household inverter air conditioners. With China's energy conservation and emission reduction in...[Details]
introduction
With the development and widespread use of integrated circuits in power electronics design, electronic products are trending towards smaller sizes, more components, and greater fu...[Details]
As my country's industrialization continues to improve, environmental pollution is also facing tremendous pressure. In recent years, national environmental protection policies have become increasin...[Details]
In the first half of 2025, Chinese companies demonstrated overwhelming advantages in the world's four major material fields: in the global loading of positive electrode materials, Chinese companies...[Details]
FPGA/CPLD
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