After years of preparation, the launch of 3G mobile phones is on the agenda. The design of 3G TD-SCDMA and WCDMA mobile phones is complex, and the partitioning problem poses a challenge to existing ba...
Wireless transmission has many advantages over wired transmission. Perhaps most importantly, it is more flexible. Wireless signals can be sent from one transmitter to many receivers without the need f...
When I update the text, the text sometimes flickers. Why? The text shows the time and is constantly updating. GetLocalTime(&time0); CString str; str.Format(_T("Year Month Day:%04d:%02d:%02dTime:%02d:%...
I recently saw a definition where several different variables were defined as byte data types, but the number of bytes they occupied was 1, 8, or 16. However, I checked the standard C and found no suc...
I designed a power supply and need an overcurrent protection circuit. Requirements: When the load is short-circuited, cut off the load. Output current <2A. Output voltage 0～９.９Ｖ [[i] This post was las...
1. Introduction
At present, with the continuous development of modern medical devices, especially electronic instruments directly connected to the human body, in addition to the increasingly high...[Details]
introduction
In engineering practice, ultrasonic waves are often used to measure distances because of their strong directivity, slow energy consumption, and long propagation distance in th...[Details]
1.
Introduction
With the rapid development of modern computer technology and Internet technology, embedded systems have begun to occupy the mainstream of the market. Due to the high ...[Details]
Abstract:
QT1101 is a QTouch charge transfer (QT) device, a complete digital controller that can detect signals when approaching or touching up to 10 independent keys. It can be widely used i...[Details]
Nowadays, the phenomenon of using cloned taxis and trucks for operation is becoming more and more serious. The so-called cloned car is one or several unlicensed vehicles that are used to copy anoth...[Details]
Novaled, a German company, has successfully developed p-type and n-type field effect transistors based on a single-layer pentacene semiconductor layer by using its own p-type and n-type dopants. This ...[Details]
With the development of science and technology, the improvement of living standards and the acceleration of the pace of modern cities, people are increasingly pursuing more convenient, practical an...[Details]
With the development of the electronics and data industries and the promotion of distributed power supply systems in recent years, the application of DC-DC converters has become more and more wides...[Details]
1 Introduction
Rectifier circuits, especially single-phase bridge controlled rectifier circuits, are the most important and widely used circuits in power electronics technology. They are n...[Details]
In view of the fact that a single ordinary type of fire detection alarm can no longer meet the demand, the use of multiple sensors to comprehensively collect various abnormal information before a f...[Details]
From the perspective of current embedded consumer electronic products, media processing is gradually integrated with wireless communication and 3D games. Its powerful functions have brought about a...[Details]
Abstract: This paper proposes a method of mine environment detection using wireless sensor networks, and gives the network framework, topology and network protocol of wireless sensor networks suit...[Details]
0 Introduction
The pipeline detector is a special portable instrument that uses the secondary field principle to detect underground metal pipelines. It generally includes a transmitter and...[Details]
1 Introduction
LED video display screens have the advantages of high brightness, wide viewing angle, long life, high cost performance, and the ability to display various texts, graphics, a...[Details]
1 Introduction
Introducing the power factor correction (PFC) technology in the switching power supply can, on the one hand, make the power input current and input voltage waveform in phase...[Details]
DSP and ARM Processors
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