China's choice for 3G cell phones is the TD-SCDMA system. This article presents a detailed block diagram of a cell phone transceiver, in which the MAX2361 is the transmitter IC, the MAX2291 is the pow...
People often say that the longer you live, the richer your experience, and the older you are, the clearer you see things. In fact, this is deceptive. When old people get older, they have no advantages...
[size=4][size=16px]From 2006 to this year, the power supply industry has been turbulent, and many factories have gone through a lot of trials and tribulations. Some have closed down, while others have...
[hide]The quality of a full-color display can be judged from the following aspects: 1. Flatness The surface flatness of the display should be within ±1mm to ensure that the displayed image is not di...
1) Title of the work: Handheld Bluetooth Car Diagnostic Instrument (2) Functional description of the work: Through data communication with the Bluetooth module of the in-vehicle multimedia navigation ...
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]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
Fairchild's FAN6208 is a synchronous rectification (SR) controller for isolated LLC or LC resonant converters that can drive two individual SR MOSFETs emulating the behavior of rectifier diodes. FAN62...[Details]
Previously used primarily in high-power power supplies and large industrial and consumer power supplies, supercapacitors are now finding their way into products of all sizes, especially portable de...[Details]
First, the choice of charging location. Wireless charging technology is related to the distance and state of the charger and the charged device. That is to say, the distance between the two cannot...[Details]
With the development and application of liquid crystal display technology, more and more developers want to use liquid crystal screens to display Chinese characters in the instruments and equipment th...[Details]
The Challenge:
Improving Siemens Wind
Turbine Controls
System software automated testing for regular releases, validating wind turbine control system components during the developme...[Details]
1. Introduction
Due to the good programmability and superior performance of FPGA, the number of embedded systems using FPGA chips in LCD splicing screens is increasing rapidly, especially in t...[Details]
According to a survey by the International Energy Agency, Asia and Australia used 1.65 trillion liters of oil for energy in 2004. The survey also showed that since 1990, the demand for oil has been...[Details]
Facility cultivation technology mainly refers to the technology of using ordinary greenhouses or greenhouses to produce crops such as vegetables and fruits. With the popularization of facility cultiva...[Details]