[i=s]This post was last edited by maychang on 2019-8-31 10:52[/i]Weilin Power Supply published a post titled "RCD Calculation Method (Welcome to find faults. Many experts participated)" . I said on th...
There is such a post in a forum:Figure (01) There are many different opinions on this issue. In addition to the Sepic method mentioned by the original poster, some people suggest first bucking and th...
[size=4]It is probably to generate a PWM wave of a certain frequency through the clock[/size] [size=4] [/size] [size=4]Using FPGA can get a more perfect waveform, but if only a CLK wave is provided, F...
[font=宋体][size=3] [/size][/font][font=宋体][size=4]I am writing this post with great excitement, because I have been selected and can use domestic 32-bit processors. I am so excited. First of all, I did...
The noise problem of active speakers often bothers us. In fact, as long as we analyze and troubleshoot carefully, most of the audio noise can be solved by ourselves. Here is a brief analysis of the re...
[i=s]This post was last edited by ksboy on 2019-3-26 20:28[/i] As the title says, Up2 90% new, C5P 9.9% new, price negotiable. If interested, please contact [url=mailto:kshouwei@163.com]kshouwei@163.c...
Link: https://pan.baidu.com/s/1CKrXkIHite1LWaWM26gjeQ Extraction code: abcd Take away the likes~ Question requirements: I. Main issues to be addressed 1. Carefully analyze the requirements of the...[Details]
In just 4 years, the number of NB-IoT connections has exceeded 70 million, which not only makes other LPWAN technologies pale in comparison, but also makes NB-IoT the world's mainstream and preferred...[Details]
Myotest recently announced that it will provide running analysis capabilities for the new Samsung Galaxy Watch3 smartwatch, which was released in August. This feature allows runners to experience the...[Details]
1. Anti-moisture: Since the electronic controller can easily be damaged or its printed circuit boards and components damaged by moisture, when cleaning and flushing the car, special attention shoul...[Details]
DSP applications are becoming more and more widespread, and it is very important to correctly design the power circuit of DSP application systems. This article gives a dual power supply voltage suppl...[Details]
Car interior design is undergoing a revolution from making screens bigger and bigger to completely eliminating screens. The technological competition surrounding screens seems to be gradually return...[Details]
1. Hardware Principle ARM has 7 working modes, except for user mode, the others are called exception modes. Each exception mode has its own registers, such as SP stack pointer, LR link pointer, prog...[Details]
Before programming the microcontroller to realize the static display of digital tubes, let's first understand the structure of digital tubes and some common sense. For digital tubes, there are eight-...[Details]
The P3 port has two functions: In addition to being used as I/O (it has a pull-up resistor inside), it also has some special functions that are set by special registers. For specific functions, ...[Details]
With consumer-grade semiconductors plummeting, can automotive-grade semiconductors continue to rise against the trend in the industry's downward cycle? How long will the shortage of automotive-grade ...[Details]
International Energy Network/PV Headlines (PV-2005) learned that on June 26, the winning bidders for the photovoltaic inverter equipment procurement of the China Resources Hengdong County Bailian T...[Details]
Working Principle of Steam Compressor
After the steam is filtered by the filter, the clean steam enters the main engine cavity through the air inlet valve, and the volume of the cavity changes...[Details]
Mobile Internet Device (MID) is an emerging product that integrates wireless communication and computing functions, aiming to provide higher portability than notebook computers and larger display...[Details]
User data processing flow on the wireless network side
Figure 1-1 User plane protocol stack of 3GPP LTE network
Figure 1-1 shows the user plane protocol stack of the 3GPP LTE ne...[Details]
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