What needs to be tested in the air interface synchronization test? I was assigned to write an air interface test report, but I don’t know how to start? Please give me some advice from my seniors! ! ! ...
I want to find a power chip: a buck-boost type, with a power input of 3-10V, a fixed power output of 5V, and a current of 300mA. Which expert can recommend a suitable model?...
When I was studying before, I always wanted to find the Chinese help document of KEIL. Recently, I saw a video series of RV MDK development tool video (classic)on the official website. . . . . I found...
In which .h file or doc document are the descriptions of TCP_PACKET, UDP_PACKET, TCP_HEADER, UDP_HEADER and other structures in vxwoks described? I can't find many structure descriptions, and I can't ...
As shown in the figure, channel 1 is the current sampling waveform, channel 2 is the waveform after the rectifier bridge, channel 3 is the corresponding inductor current waveform, and channel 4 is the...
uchar readbyte() /*read a byte*/ { uchar i,j,k; SCL=0; delaym(1); SDA=1; for(i=0;i<8;i++) { SCL=1; delaym(1); if(SDA==1) j=1; else j=0; k=(k<<1)|j; SCL=0; delaym(1); } This is a read program for AT24C...
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[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]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[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]
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]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
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