SI engineer: "You may need to change all the routing for this part."I didn't expect to get this answer from the SI engineer: "No, I'm serious."A few short sentences can actually mean a lot. They not o...
Recently, I was working on a problem of using a copper-clad board as a handwriting board. I needed to detect extremely weak signals (0.2mV and above). Because there was a lot of noise, I used a filter...
I have a question about the restart of wince 6.0, please help me... According to the Internet, restart (hot start) calls the IOCTL_HAL_REBOOT function of the OAL layer to restart or call SetSystemPowe...
I used 3843 to make a flyback switching power supply (input 220V, output 24V/100W, feedback package 18V), the frequency is 40KHZ, but as soon as the power is turned on, 3843, mos, and C14 are damaged
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I used to learn 4.2, and now I'm using 6.0. I found that the interrupts are very different. 1. It's easy to define an interrupt in wince4.2, and then use it in the driver or application. How to define...
I installed EVC 4.0 + SP4 + PPC 2003 + PPC2003SE CHS and it worked fine some time ago. I don't know why, but today the simulator can't connect. After the program is compiled, it can't be downloaded to...
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[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]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[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]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[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]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]