Development and application of AC variable frequency speed regulation2005-2-49:02:42By the end of the 20th century, China's installed power capacity was 319 million kW . Among them, thermal power acco...
[size=4]Through this simulation experiment of matrix keyboard scanning LCD display under CCS2000 environment, I have learned and become familiar with the installation and debugging methods of CCS2000 ...
Another week has passed. I tested it twice this week. The first time, as everyone said, I couldn’t connect to the Internet. After trying N times, I still failed. Later, I found that I needed to use a ...
As shown in the figure, I converted +5V to -5V through MAX735, and then supplied the positive and negative 5V to the dual power amplifier. Once powered on, -5V was pulled down to 0V. After disconnecti...
Designers of Internet of Things (IoT) products are currently gravitating toward wireless connectivity based on Wi-Fi because it is widely deployed and well understood. However, any type of RF function...
Qualcomm launches new RF filter technology to enable next-generation 5G and Wi-Fi solutions
Advanced Qualcomm ultraBAW filter technology extends RF portfolio to 7 GHz for 5G and ...[Details]
The limit registers MCLIM0-2 control the PWM period. Assuming the value of the MCLIM register is X and the MCPWM external clock is PCLKy MHz, the PWM period can be calculated. The calculation is as f...[Details]
The two leads of the electrolytic capacitor are divided into positive and negative. When checking its quality, for electrolytic capacitors with lower withstand voltage (6V or l0V), the resistance ran...[Details]
A spectrum analyzer is an instrument used to display the amplitude of a signal in the frequency domain. It is nicknamed "RF multimeter" in the RF field. In the RF field, traditional multimeters canno...[Details]
LED digital tube is a commonly used display device in the peripheral interface device of single-chip microcomputer. There are two types of display devices, seven-segment tube and Mi tube. The seven-s...[Details]
This article introduces two typical examples of brushed DC motors when driven by PWM using an H-bridge circuit.
① Input the PWM signal to one of the two input pins and drive it directly
...[Details]
AN191 - How to adjust the current rise and fall of the MPQ7200 LED with NTC
The MPQ 7200 is a 42V, 1.2A bog-bog-bast or 3A ABg, synchronous LED driver, which is AEC-Q100 qualified. The MPQ 720...[Details]
Economic Observer reporter Shen Yiran, intern reporter Wang Tongyue Regarding the price of the first batch of 5G mobile phones that will soon enter the market, Qin Fei, director of vivo5G R&D center,...[Details]
According to foreign media reports, Tesla's large-scale layoffs are still in its hottest autonomous driving department. Due to the combined impact of factors such as the epidemic, continued glo...[Details]
China Energy Storage Network:
Recently, the Guizhou Power Grid Company of the Southern Grid has focused on building an energy-saving, low-carbon, green and smart grid, achieving a clean energ...[Details]
Che Dongxi News on May 4, according to CleanTechnica reports, recently, China Aviation Aviation (CALB) launched a new U-shaped battery. The battery supports 6C super fast charging and can fully ...[Details]
News on the morning of January 26th, the long-rumored Apple AirTag tracker has not yet been released, but third-party accessory manufacturers seem unable to wait. Currently, some AirTags periphe...[Details]
There are several benefits of
using
MCU
for electrical products. Take the food processor as an example. First, it protects the motor. The most feared thing about motor products is long-term idli...[Details]
At the third Samsung Advanced Foundry Ecosystem Forum held recently, Samsung Electronics launched a number of design tools and technologies that are critical to the 3nm chip manufacturing process, as...[Details]
First of all, the rotor of Tesla's 3D6 motor adopts the classic single V permanent magnet structure, which uses a three-segment approach to optimize noise, with the middle segment being twice the s...[Details]
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