Analog Devices, Inc. has introduced a chip that can reduce the RF circuit of a cellular phone to 1.5 square centimeters. This new Othello-G RF chip suitable for GSM/GPRS communication standards can pr...
As the title says, I am working on the emmc driver now. I saw that it is driven by sdio. This driver is very difficult to use. Can I ask for help? Or you can tell me the principle. I looked it up onli...
1. Suppose a computer needs to use 32K*4 dynamic RAM memory chips to expand the memory of 128K*8. Please answer: (1) How many RAM chips are needed to expand the memory system? (2) How many data lines ...
Fancy water light, please try this fancy water light program. It is required to be done in a timer. Use a flag to control the switch. If you are interested, please post the program. Assembly or C is f...
Visible magnetic fields Magnetic fields are usually invisible, but scientists from NASA's Space Science Laboratory have made them visible through voice-controlled computer graphics interfaces and 3D s...
[i=s]This post was last edited by abend on 2014-9-20 19:53[/i] I received the board at noon today, and played with it a little at home in the afternoon. The article is too long, so I will list the mai...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
RF/Wirelessly
京公网安备 11010802033920号
EEWORLD
