Welcome the National Day and Mid-Autumn Festival, it is very important, 4 days and 4 nights off, no need to work overtime. Specific arrangements: First day, her house, second day, my house, third day,...
Analog Devices (ADI) has introduced a semiconductor manufacturing technology that combines high voltage semiconductor processes (supply voltage up to 30V), submicron CMOS processes, and complementary ...
[font=微软雅黑][size=3][color=#000]The New Year is getting closer and closer to us[/color]{:1_102:}[/size][/font][font=微软雅黑][size=3][color=#000]Our[/color][url=https://bbs.eeworld.com.cn/thread-480699-1-1...
10 boxes of chips worth tens of millions of yuan disappeared, and the computer host mysteriously disappeared. At about 9:00 on May 25, Huangtian Police Station of Bao'an Branch of Shenzhen Public Secu...
On the afternoon of June 19, Nokia, which was holding the "Nokia connect 2006" conference in Singapore, suddenly invited the media to watch a live webcast press conference. The theme of the press conf...
[font=宋体][size=3][size=12pt]Hello, Mr. Pan: [/size] I am a graduate student. I need to design a board for my supervisor's project. In order to improve the signal quality, I want to distinguish between...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
Applying fieldbus technology on new beer production lines is the first choice for large beer companies with strong management level and technical strength. Guangzhou Zhujiang Beer Group Co., Ltd. i...[Details]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
System Block Diagram
The system uses DSP56F826 chip as the core control module and CMOS digital image sensor chip. The image acquisition resolution can reach 640×480 pixels. When high-re...[Details]
The construction of voltage and current feedback amplifier application circuits is generally the same, except for a few key points.
Current feedback amplifiers have higher sl...[Details]
1. Self-test of lithium battery capacity
The nominal capacity of the CECT9898 OEM mobile phone lithium battery is 3800mAh, and its battery volume is comparable to the 1500mAh battery of ot...[Details]
High brightness LEDs (HBLEDs) are rapidly gaining popularity in the automotive, consumer electronics, and industrial markets. Brilliant colors, long life, and high energy efficiency are some of the...[Details]
Automotive electronics design must provide more competitive cost advantages under the conditions of multiple design requirements such as performance, reliability, and time to market. This article w...[Details]