[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:00[/i] At present, there are three standards for 3G handsets in the world: the European WCDMA standard, the American CDMA2000 standar...
1. A constant current power supply is one where the power supply voltage changes, but the current flowing through the load remains unchanged. A constant voltage power supply is one where the power sup...
Two questions: 1. A very basic question: Do I have to modify the bib and reg files to debug the driver? Can I directly use activeSync to copy the driver's dll to the windows directory of the target de...
Code://******************************************************************************
//MSP-FET430P140 Demo - ADC12, Repeated Sequence of Conversions
//
//This example shows how to perform a repeated ...
[i=s]This post was last edited by Fengguoqinxian on 2017-9-15 21:38[/i] Continuing from the previous post [url=https://bbs.eeworld.com.cn/thread-541496-1-1.html]https://bbs.eeworld.com.cn/thread-54149...
During the work from home process, the popular parts numbers on the Internet are more active in front of us. Although separated by the screen, the ups and downs of the market are magnified in a small ...
Conventional ECG recorders are one of the main means for doctors to diagnose heart diseases, but they can only record short heartbeats. In many cases, it is difficult to record ECG changes during a...[Details]
Third generation (3G) mobile phones offer a variety of features with more functionality. As consumers enjoy the latest and better features of these communication devices, they continue to demand lo...[Details]
DC regulated power supply is a commonly used electronic device, which can ensure stable output voltage when the grid voltage fluctuates or the load changes. A low ripple, high-precision regulated p...[Details]
In the future, a complete automobile safety system must fully combine gyroscopes, accelerometers, steering wheel and brake pedal position detectors, and tire speed detection systems to accurately ...[Details]
introduction
The most common flight state of a fixed-wing aircraft is horizontal flight. If it is allowed to fly at a large angle, the action cannot be maintained all the time. If it is al...[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]
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]
Power semiconductors and reactive components (capacitors and inductors) are ubiquitous in today's electrical equipment. In normal operation, they can cause two undesirable side effects on the AC line ...[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]
Abstract
: This paper introduces the general structure of the driver under the currently popular open source embedded operating system μClinux, as well as the connection between the touch scr...[Details]
With the rapid development of industrialization and urbanization, people's living environment is facing severe challenges due to the environmental damage caused by life and production. As an enviro...[Details]
With the popularity of 3G network, some new laptops have built-in 3G wireless network cards, namely G3 laptops. For most users of relatively old computers, if they have a 3G wireless network card, ...[Details]
With the development of LED technology, the application of LED has expanded from the traditional low-power portable product backlight to medium- and high-power indoor lighting, outdoor lighting, an...[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]
Mobile and portable
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