[table=98%,rgb(238, 238, 238)] [tr][td]I need to make an RFID antenna multiplexer recently. The frequency is 13.56M and I need to choose a multiplexer. Please recommend a suitable parameter. I have fo...
Q: How can high-performance analog-to-digital converters have many power connections and only a few ground connections? A: Lead frame chip scale packages (LFCSP) and quad flat packages (QFP) with expo...
[i=s]This post was last edited by Bai Ding on 2015-12-26 09:21[/i] [[b]Abstract[/b]]Professor Hu Zhengming's main contribution is the invention of the fin field effect transistor (FinFET).[p=null, 2, ...
When I was asking about the registry, I came across the PlatformBuilder environment. However, I used the mobile SDK installed in vs2005 to develop win32 projects. I would like to know the difference b...
[font=新宋体][size=5]The comprehensive quality management of PCB refers to the quality management of the entire production process of PCB.It involves the management of design, materials, equipment, proce...
Recently, many people have been complaining that when using Qingyuefeng PCB design software to import PROTEL ASCII format files, a gray board is displayed, and they suspect that the file has not been ...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
1. Brief Introduction
With the continuous development and improvement of single-chip microcomputer technology, single-chip microcomputers have been widely used in all walks of life, and ...[Details]
Various electronic and electromagnetic interference inside and outside the car often puts automotive electronic equipment in dangerous working conditions, degrading the performance of electronic eq...[Details]