2 Defects of UC3842 protection circuit 2.1 Defects of overload protection When the power supply is overloaded or the output is short-circuited, the protection circuit of UC3842 is activated, reduc...
I just entered the power supply circle. During my internship, I did push-pull. I boosted 18~36V to 450V for stabilization. I added an inductor at the back end, but the spike was very large. I added an...
3G debates are raging . Now, there are two different voices in the industry: one is from the operators and application technology experts, who believe that 3G technology is obviously out of touch with...
1 Hardware design requirementsWhen the reset pin level is low, all LED pin levels are pulled low, and at the same time, the count register is cleared and the status bit is cleared(1) When SW1 is high,...
Sensors, converters, processors, and transceivers, these devices collect and transmit data, this is where the Internet of Things begins. Intelligence, high precision, and reliability are essential, an...
Are there any netizens who work with motors? I would like to ask if your work environment can use IPM modules with a voltage of up to 500v? If there is such a motor kit, are you interested in testing ...
Abstract: This LED driver circuit includes a hysteretic controller U1 (MAX16820), associated power devices and a control circuit based on a quad op amp U2 (LMX324). U1 drives five HB LEDs from a 24V s...[Details]
introduction
In my country, digital TV programs have been tested in many provinces and cities. Since the users are basically using analog TV sets, which cannot receive digital signals, a r...[Details]
APFC technology
can be divided into discontinuous conduction mode (DCM), continuous conduction mode (CCM) and critical conduction mode (CRM) in between according to whether
the inductor
cu...[Details]
Quality standards and product requirements are now so high that they make a complete renewal of testing technology absolutely necessary and drive the end of conservative practices. Increasingly precis...[Details]
According to CCTV News, Wang Zhiqin, leader of my country's 6G promotion group and vice president of the China Academy of Information and Communications Technology, said that 6G technology is actuall...[Details]
1. In STM32, there are 5 clock sources: HSI, HSE, LSI, LSE, PLL. ①HSI is a high-speed internal clock, RC oscillator, with a frequency of 8MHz; ②HSE--High-speed external clock, can be connected to qua...[Details]
According to the Economic Daily, Zeng Ruiyu, director of industry research at SEMI, said in a report at the SEMI pre-show press conference that the semiconductor industry is expected to grow, but unc...[Details]
Introduction: In this issue of electrical knowledge, we will introduce in detail the usage and precautions of common instruments, so that everyone can master the relevant knowledge more quickly. 1....[Details]
Xiaomi showed off a foldable smartphone concept at the beginning of last year, but the device was not officially launched. Despite this, Xiaomi has applied for a number of design patents for a variet...[Details]
1. Autosave for recovery
If LabVIEW shuts down abnormally or the system fails, LabVIEW backs up all modified VIs (.vi), VI templates (.vit), controls (.ctl), or control templates (.ctt) to a temp...[Details]
Use timer0 interrupt to flash the LED Heat. c /* * init.c: do some initialization */ #include "s3c24xx.h" void disable_watch_dog(void); void clock_init(void); void memsetup(void); void copy_...[Details]
PartnerNetwork member companies come together to celebrate achievements in innovation, sustainability and business impact
(Shanghai, China, May 25, 2023)
Rockwell Automation (NYS...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
Recently, NIO announced the launch of China's first full-stack self-developed suspension control system, equipped with a full-stack self-developed intelligent chassis domain controller ICC, and first...[Details]
The PCB board of this bile duct secondary amplifier is made of 2mm thickened board, coated with black printing ink, and has enhanced heat dissipation design. After the production is completed, the ma...[Details]