Protel 99 SE and AD copper-free hole and copper-free slot design intuitive approach 1: Picture analysis, the pad wants to be made into a copper-free hole, but the pad is needed. Ask, why does the circ...
[i=s]This post was last edited by qiushenghua on 2014-10-14 17:13[/i] I applied for samples from TI before, and then TI shared the information with the agent Shenzhen Xinye. Their application engineer...
Job Information· Type of work: Full-time· Location: Wuhan· Date of issue: 2010/1/4· Deadline: 2010/3/1· Number of recruits: 3· Salary:· Work experience: 1-2 years· Education: Bachelor degree or above·...
I created a C# smart device project in VS 2005. I didn't add any code to it. Then I debugged, compiled and deployed it to my development board. I chose to deploy it to my development board SDK. Then I...
As shown in the figure, a general buck power chip has a BOOT capacitor, which actually forms a bootstrap circuit with a diode inside. The voltage obtained by charging C1 is used to power the MOS tube ...
This time , the MetaWatch is the original version , which only supports Android devices, not the previous one that also supports iOS.The specific solution is MSP430F5438A+CC2560 Bluetooth chip.It's a ...
SinoWise's SH66xx series 4-bit microcontrollers have the characteristics of fast speed, low power consumption, simple structure, easy to use, and high cost performance. They are widely used in remo...[Details]
Microelectromechanical systems (MEMS) are gradually entering the consumer, industrial, medical, automotive and computer application markets. Moreover, we cannot ignore their steady progress in the ins...[Details]
Emulation Features
Emulation provides a set of standard operations for integration and debugging. Some of its main features are as follows:
BreakpointsA
common feature of emulatio...[Details]
As the whole equipment is becoming increasingly miniaturized and power-saving, low-dropout linear regulators (LDOs) with low power consumption are becoming the mainstream in the market for linear regu...[Details]
Portable devices with audio functions (such as portable media players and multimedia mobile phones) require long audio playback time, that is, long battery life. To extend the battery life of port...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its excel...[Details]
With the continuous emergence of new technologies and the increasing complexity of DSP real-time systems, there are more and more different types of external devices. Writing drivers for these exte...[Details]
1 Introduction
Generally, when transmitting information over short distances through electrical signals, baseband signals can be directly transmitted. However, over long distances, baseban...[Details]
1. Introduction
Rolling bearings are the most widely used general mechanical components in various rotating machines. Whether their operating status is normal often directly affects the perfo...[Details]
With the improvement of people's requirements for vehicle riding comfort and the development of passenger car suspension technology in my country, air suspension is increasingly used in passenger ...[Details]
Abstract: By controlling the supply voltage of the radio frequency (RF) power amplifier (PA) in a CDMA/WCDMA cellular phone, the PA efficiency can be improved, heat generation can be reduced, and t...[Details]
Introduction
As a kind of biometric identification, fingerprint recognition has incomparable advantages in identity recognition over other means: human fingerprints are unique and stable; wit...[Details]
Abstract:
Aiming at the problems of repeated design and high cost of existing LED large-screen displays, a modular LED large-screen display is proposed, which can realize flexible configurati...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
Preface
In the application of PLL, DLL and CDR circuits, people generally require the output clock signal to have a 50% duty cycle so that data can be sampled at both the rising and fallin...[Details]
PCB Design
京公网安备 11010802033920号
EEWORLD
