[align=left][font=微软雅黑]In electronic design, the most common technology is the grounding of the circuit board. From the most common single analog circuit loop grounding, pure digital circuit loop grou...
[p=30, null, left][font=微软雅黑][size=3][color=#000000]Recently, MobData, a research organization, released a report on the domestic smartphone market in the third quarter. This report analyzes the brand...
1. What is the inverted state of a transistor? When the collector junction is forward biased and the emitter junction is reverse biased, it is an inverted state; when the collector junction is forward...
Below 15M, the same frequency input 1V10M output 0.25V20M is no problem, but above 15M, the amplitude will become larger (the frequency is correct). I want to ask what is the reason, waiting online, u...
Most people probably choose to travel. What great weather, what a great 70th anniversary. Look around and feel the beauty of our motherland, the popular tourist attractions, and the endless crowds.
It...
High-precision zero detector using a dedicated comparator IC
Function of the circuit
This circuit is also called a zero-crossing detector. It is independent of ...[Details]
Last night, Qualcomm launched the new generation of Snapdragon 870 chips. Now Motorola has announced its new generation flagship Motorola Edge S, and said it will be the world's first to be equ...[Details]
Specific implementation functions The system consists of STC89C52 single chip microcomputer, LCD1602 liquid crystal display, Hall speed sensor, 3V DC motor and button module. Specific functions: ...[Details]
According to previous predictions, Apple will continue to launch the new iPhone 13 series in September this year (some sources also call it the iPhone 12s series). According to past practices, this y...[Details]
Infineon Technologies AG, a global semiconductor leader in power systems and the Internet of Things, recently launched the new XENSIV™ TLE49SR angle sensor series
. This series of sensors ...[Details]
In the field of new energy, China has become a solar and wind power powerhouse, with exports of key components accounting for 70% of the world's total. Today, there is a strongly related techno...[Details]
Recently, there are more and more news about Huawei nova 6 on the Internet, indicating that this phone is really coming. A few days ago, a website exposed the renderings of Huawei nova 6 5G version. ...[Details]
TSMC did not comment on market rumors yesterday (26). The supply chain revealed that if the factories in the United States and Japan are also targeting the automotive chip business opportunities, it ...[Details]
Mastering soil nutrients and their changing patterns is of great significance for improving soil fertilizer efficiency and fertilization effects. The soil nitrogen, phosphorus and potassium detector...[Details]
Preface
Due to the emergence of production automation and various automatic control and sequence control equipment, motors are required to run in various modes such as frequent starting, braking...[Details]
Predicting the health and remaining useful life of lithium-ion batteries is a major challenge limiting the widespread adoption of electric vehicles . Over time, battery performance degrades through ...[Details]
According to foreign media reports, Amprius Technologies, a developer of advanced silicon anode lithium-ion batteries, has launched its latest ultra-high power and high-energy lithium-ion battery. Le...[Details]
0 Introduction
In recent years, permanent magnet synchronous motors with better control performance have been gradually used in air conditioning compressor systems to replace brushless DC ...[Details]
On August 6, 9to5Google discovered that Pixel 4 and Pixel 4 XL were out of stock in Google's online store, and it was suspected that they had been discontinued. Google confirmed 9to5Google's...[Details]
Introduction: Based on the analysis of the working characteristics of the parallel printing interface, this paper designs a parallel port data acquisition system with 51 single-chip microcomputer as ...[Details]