Many students in the college entrance examination today are happy or upset after the Chinese language test. Beijing test questions. The symbols of the capital are not easy to find after more than 3,00...
[i=s]This post was last edited by Beifang on 2022-1-14 10:55[/i]1. After upgrading the firmware, the entire board is clean, so clean that the downloaded applications cannot be executed. After download...
Many oscilloscope users want to quickly transfer waveform data, screenshots, and videos saved by the oscilloscope to their mobile phones. The traditional method is to use a USB flash drive to transfer...
[i=s]This post was last edited by gs001588 on 2021-12-18 13:37[/i][Evaluation of domestic FPGA Gaoyun GW1N-4 series development board]——4. Use of embedded logic analyzer——This post adds a test of the ...
When the copper wire of PCB falls off (also known as copper shedding), all PCB brands will say it is a problem with the laminate and ask their production factory to bear the loss of the defect. Based ...
On January 7, Xiong Junmin, Vice President of Honor Business Department (Product), published an article to explain the difference between the Sony IMX586 and Samsung GM1, two 48-megapixel lenses on t...[Details]
With the rapid growth of the electric vehicle (EV) market and the continuous advancement of technology, the importance of the battery management system (BMS) as the core component of electric vehic...[Details]
As market demand drives memory technology toward higher density, better performance, new materials, 3D stacking, high aspect ratio (HAR) etching, and extreme ultraviolet (EUV) lithography, Lam Rese...[Details]
Activate system diagnostics for the CPU
Here you activate the system diagnostics for the "S7-300 Master" CPU. If the system diagnostics are activated, all alarms and blocks required for diagno...[Details]
introduction Temperature measurement is closely related to industrial and agricultural production, such as greenhouse vegetables, and the impact of temperature on them is obvious. People can tast...[Details]
■Grid infrastructure has always been the ballast and booster for stabilizing the economy. During the 13th Five-Year Plan period, the total planned investment in grid projects, including UHV project...[Details]
The MSO7000/DS7000 series digital oscilloscopes are multifunctional, high-performance digital oscilloscopes based on RIGOL's original Ultra Vision II generation technology. They integrate six instru...[Details]
An LED street lamp lights up 40 1W LEDs. Let's use this as a ratio and list several solutions to compare their advantages.
The first method is non-isolated
buck
drive, a string o...[Details]
If stability issues are not a concern, sodium-ion batteries (NIBs) are likely to be an excellent alternative to current energy storage systems due to their abundance and long life. But as mentioned...[Details]
Cross-modulation ratio (CM)
When the amplifier in the cable TV system amplifies TV signals of multiple channels, due to the influence of nonlinear devices in the amplifier (mainly cubic te...[Details]
Samsung officially announced on Friday that it has suspended shipments of all its products to Russia. In a statement sent via Samsung's general PR email account, an unnamed Samsung representative wro...[Details]
Regarding LED driver power supply, there are many issues that need to be paid attention to in selection and design. Only by mastering several key points of selection and design can we make better d...[Details]
Introduction
RTL8139 is a fast Ethernet controller produced by Realtek Semiconductor Co., Ltd. in Taiwan. It provides an interface that complies with the PCI2.2 standard, is compatible with t...[Details]
1. Basic structure of BUCK circuit
Equivalent circuit when the switch is onEquivalent circuit when the switch is off
2. Equivalent circuit models and basic rules
(1...[Details]