Are audio amplifiers, Class A, Class B, Class C, Class AB, Class D, OTL, etc. circuits a type of DAC amplification? What are the similarities and differences with ordinary DAC analog voltage amplifica...
Wide-area wireless network operators are increasingly involved in mobile broadband access and rich multimedia services. These services pose great challenges to wireless networks. Operators need to mak...
1. Flash specificationsThe main chip used in this article is N32L436RBL7, and the flash size is 128k
The flash is divided into 64 pages, numbered 0-63, and each page is 2k.2. Precautions for flash ope...
In the EMC design of RS-485 ports, we need to focus on three factors: electrostatic discharge (ESD), electrical fast transients (EFT) and surge. The International Electrotechnical Commission (IEC) spe...
As shown in Figure 1, the input signal VIN is given by the DSP chip. In Figure 1, R3 and C1 as well as R2 and C3 form a two-order low-pass filter. What is the principle of this filtering? It is easy t...
When I used AD to export gerber today, it prompted "The Film is too small for this PCB"
Because I failed to import DXF files using AD before, I suspect that the DXF has actually been imported, but it ...
The logic analyzer in Keil can graphically display the changes in the value of a specified variable or VTREG (virtual simulation register). Note: Only global variables can be viewed. At the t...[Details]
Contents The invention relates to the field of electronic flowmeters, in particular to a plate-type solid electronic flowmeter for online measuring the flow and cumulative amount of free-falling loos...[Details]
Lung cancer is one of the most common malignant tumors in the world, and its morbidity and mortality rates are rising. The reason is that the cause of lung cancer is unknown, the onset time is shor...[Details]
In the 1950s, NASA developed switching power supplies for rockets with the goal of miniaturization and light weight. In the more than half a century of development, switching power supplies have gr...[Details]
Xiaomi has confirmed that its only Mi Store in London, UK will officially close on March 5, 2020, Android Authority reports. Currently, the store's Twitter account is offline and the Westfield London...[Details]
In the field of smartphones, especially in the high-end market, OLED is poised to completely replace LCD and become the new dominant screen panel. Laptops are also increasingly using OLED, and in the...[Details]
Can't I just use memblock in the end? Is it not possible to skip memblock and directly set buddy? The difference between memblock and buddy Why is buddy the basis of memory manager and other manage...[Details]
Great Wall Motors announced that the Spotlight Automotive production base project has been approved by the Jiangsu Provincial Development and Reform Commission. It is learned that the Spotlight Autom...[Details]
On August 8 this year, Japan lifted the ban on the export of a number of semiconductor materials to South Korea, including EUV photoresist, which is crucial for the 7nm advanced process. South Korea'...[Details]
1. Introduction
Today is an era of new technologies emerging in an endless stream. In the field of electronics, especially in the field of automated intelligent control, the control systems com...[Details]
According to netizens' contributions, some Xiaomi 9 devices are pushing the MIUI 10.9.7.11 development version, the Android Q internal beta package, and the Android security patch is July 5. ...[Details]
AI will make people lose their jobs. This statement is gradually being put into practice in all walks of life. The Verge news: Microsoft has laid off dozens of news media workers and editors from M...[Details]
It is reported that Apple is developing a dual-coil wireless charging technology for a completely wireless iPhone that does not rely on Lightning. The patent shows that the battery box is equipped ...[Details]
On October 31, the "Starry Sky" Innovation and Entrepreneurship Competition of Changsha Economic and Technological Development Zone, Hunan Province was successfully held at the Changsha Economic an...[Details]
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