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...
I recently found that the results of using ISE10.1 to call Modelsim SE 6.5 for timing simulation (Post-Route Simulation) are different from the results of using the same netlist file and sdf file to r...
Today's Recommended ArticleToday's recommended article is written by Zhang Rui and Hua Tingting, experts from the 38th Institute of China Electronics Technology Group Corporation. This article is exce...
[i=s]This post was last edited by lb8820265 on 2022-1-23 23:11[/i]I'm 30 years old before I know it. I feel like I'm still a kid. I always like to try new things. I also hope I can stay younger and yo...
This is a parallel voltage regulator circuit, but I don't understand how to judge whether the op amp is in the amplification state, and how the feedback circuit works? Please help experts:surrender:...
The supporting materials are in the directory of "iTOP-3399 Development Materials Summary (excluding CD materials)\10_iTOP-3399 Development Board Linux System Development\PCIE 4G Module Test.zip" on t...
1. Structure A single-chip microcomputer is formed by making a CPU, memory, and input/output interface in an integrated circuit. However, a single single-chip integrated circuit cannot work. S...[Details]
Industrial robots are multi-joint manipulators or multi-degree-of-freedom machine devices for the industrial field. They can perform work automatically and rely on their own power and control cap...[Details]
Beijing, March 9, 2010 - ABB, the world's leading power and automation technology group, actively participates in the development and utilization of solar energy in China, making positive contribution...[Details]
The efficiency of white LEDs
is increasing at a rapid rate. In 2004, engineers were proud to report that
the power
at 350 mA
was almost 60 lm/W, but today the research record is o...[Details]
Abstract Audio equalizer is one of the important tools for adjusting the timbre in audio system. This paper proposes a design of digital audio equalizer based on ADSP-BF533 hardware platform, and i...[Details]
Zimmer Biomet has announced that it has received FDA approval for its ROSA shoulder replacement system, which the company claims is the first
robot
for shoulder surgery
.
Shoulder join...[Details]
At present, domestic LED display screens mainly use 8-bit processing system, that is, 256 (28) grayscale levels. Simply put, there are 256 brightness changes from black to white. Using the three pr...[Details]
In recent years, in addition to new energy, the hottest topic in the automotive field is autonomous driving. The two have similarities. They are both in the development stage and are not recognized. ...[Details]
In September last year, ZTE took the lead in the industry to mass-produce commercial under-screen camera technology, and the first model to launch this technology was the ZTE A20. At that time, Ni ...[Details]
Single-phase motors are different from three-phase motors. Three-phase motors rely on their own phase difference of 120° to generate a rotating magnetic field, while single-phase AC induction motor...[Details]
Crystal Optech issued an announcement stating that the company intends to purchase coating equipment from its joint venture Optronics Co., Ltd. (hereinafter referred to as "Japan Optronics") for prod...[Details]
Smart manufacturing has become an important development trend in the manufacturing industry, bringing profound impacts on industrial development and division of labor. Faced with technological upda...[Details]
As shown in the figure, this is the LM4902 audio power amplifier circuit (MSOP package). After the audio signal is input, it is coupled to the inverting input terminal (pin 4) of the amplifier thro...[Details]
Mouser Electronics, a leading distributor of electronic components focused on introducing new products and offering a wide range of inventory, has announced a new e-book in collaboration with Bourns ...[Details]
Xinwangda
's all-solid-state
battery
research progress is becoming clearer.
On November 4, an investor asked Xinwangda on the interactive platform, "What breakthroughs has ...[Details]