Mobile phone RF design skills [repost] 1. What is RF? Answer: RF stands for Radio frequency, which mainly includes wireless transceivers.2. What are the frequencies of mobile phones in the world today...
[font=微软雅黑][size=3]I just graduated this year and joined my current company in October. When I first came in, within two days, they immediately gave me a project to do, and I was doing it all by mysel...
UART, I2C and SPI are the three most commonly used communication protocols in microcontroller systems. We have already learned about UART and I2C communication protocols. In this lesson, we will learn...
1. Bus Overview
The computer system is centered on the microprocessor. All devices must be connected to the microprocessor and must work in coordination, so the concept of bus is introduced in the mic...
[size=4]Collected basic filtering algorithms: [/size] [size=4] [/size] [size=4]In theory, the signal collected by the microcontroller from the A/D chip is the required quantization signal, but due to ...
1 Introduction
There are two main cooling methods for condensing optical dew point meters: semiconductor refrigeration and liquid nitrogen refrigeration. Using semiconductor refrigeration to m...[Details]
Recently, Intel subsidiary Mobileye and Ford Motor Company (hereinafter referred to as "Ford") jointly announced that the two parties are working together to develop more advanced driver assistance s...[Details]
Figure . Using AD8138 to drive CAN transceiver
该电路采用5 V单电源供电，配置为单位增益单端转差分放大器，共模设置为中间电压值。R1、R2和R3组成了直流偏置电路，可将输出信号调节至CAN电平。通过将R4和R5保持在相对于R2的较小值，电位计可轻松调整两个输出信号之间的差值，不会显著影响其各自的幅度，能够向DUT提供具有可变共模电平的C...[Details]
1. Overview
CAN (Controller Area Network) bus is a serial data communication protocol developed by BOSCH of Germany to solve the data exchange between many controls and tests in modern aut...[Details]
"This year we actively responded to the province's seasonal demand response policy, optimized production plans in advance, and adjusted the annual routine maintenance time from spring to the summer...[Details]
To the Development and Reform Commissions (Energy Bureaus) of all provinces, autonomous regions, municipalities directly under the Central Government, and cities with independent planning status, a...[Details]
On March 15, Evergrande Auto (0708.HK) announced that it had signed an agreement with Beijing Wutong Autolink Technology Co., Ltd., a subsidiary of Tencent Holdings, to establish a joint venture with...[Details]
1. Research Background
In recent years, with the rapid development of radio systems such as wireless mobile communications and radar, the design of antennas and arrays has gradually become one...[Details]
In order to consolidate the key position of Taiwan's industry in the international supply chain, the Ministry of Economic Affairs has drafted an amendment to "Article 10-2 and Article 72 of the Indus...[Details]
It has been 10 years since the development of new energy vehicles. During these ten years, new energy vehicles have been comprehensively upgraded from the inside out. New energy vehicles were questio...[Details]
Some basic concepts of STM32 IO port interrupts. Each IO of STM32 can be used as an interrupt input port for external interrupts, which is also the strength of STM32. The interrupt controller of STM32...[Details]
The annual GMIC conference was held today at the Beijing National Convention Center. At the leadership summit in the morning, world-renowned physicist Stephen William Hawking gave a speech and answ...[Details]
I will paste the source code and test routines directly, and they are accompanied by Chinese comments without further explanation. Bottom-layer driver: #define key_state_0 0 #define key_state_1 1...[Details]
Figure 1 (a) and (b) are the hysteresis loops of ordinary ferrite inductors and saturable inductors respectively. From the comparison of these two hysteresis loops, it can be clearly seen that the ...[Details]
The rapid digitalization of corporate environments, the surge in complex cyber threats, the evolving security regulations, and the rise of quantum computing technology have created huge...[Details]
Mobile and portable
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