A certain technology company is recruiting [ full-time or part-time]1. Responsible for the design of RF, microwave, and millimeter wave integrated circuit chips; 2. Responsible for the testing and app...
[size=4]There is a circuit of audio square wave oscillator composed of 1/4LM339. Changing C1 can change the frequency of the output square wave. In this circuit, when C1=0.1uF, f=53Hz; when C1=0.01uF,...
[i=s]This post was last edited by lcofjp on 2020-5-21 23:07[/i]I received two express deliveries today, a total of five boards.I bought some cold noodles and roujiamo to celebrate, and met a stray kit...
[size=4] To improve the reliability of the system, the STM32F4 series MCU has an independent watchdog (IWDG) and a window watchdog (WWDG). Today's experiment is about the independent watchdog. [/size]...
On December 12, the "2019 3rd China (International) Micro-LED Display Summit Forum" was grandly held in Nanjing, China, jointly sponsored by five industry associations including the Liquid Crystal Br...[Details]
August 3, 2023, Grenoble. Dolphin Design, a leader in providing semiconductor IP solutions and ASIC design services such as power management, audio and processors, today announced that it has partner...[Details]
It should be understood as follows: DCDC means DC to DC (conversion of different DC
power supply
values). Anything that meets this definition can be called a DCDC converter, including LDO. ...[Details]
POSCAP is the abbreviation of "Polymer Organic Semiconductor Solid Electrolytic Capacitor". Most POSCAP anodes are sintered tantalum, and only a small number of anodes are aluminum foil, so POSCAP tan...[Details]
With the development of science and technology, various electronic products have emerged and are almost indispensable in daily life. Lithium-ion batteries have the advantages of high energy density, ...[Details]
Today (27), TSMC Chairman Liu Deyin attended the opening speech of the first online annual meeting of the Taiwan Semiconductor Industry Association (TSIA) as the chairman of TSIA. He mentioned that ...[Details]
According to foreign media reports, private cars and buses carrying employees drove into the Tesla Shanghai Super Factory located in the Lingang New Area of the Free Trade Zone. This is Tesla's fir...[Details]
Do you understand the meaning of simple?
The relationship between the two should be told from many years ago. Long long ago, once a time.......
It was a forgotten era, when compilers only knew .c(.c...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
Recently, there was news that TCL Huaxing plans to build an 8.5-generation LCD production line in Guangzhou. In fact, it is not an 8.5-generation line. Jiwei.com reporters have just received news tha...[Details]
1 Overview
With the development of mobile communications, 2G, 3G, and 4G communication networks coexist, making communication networks more and more complex, especially indoor distribution systems, w...[Details]
During the circuit board test, I found that one circuit board could not be programmed. So I checked:
1. There is no problem with power supply and ground
2. Using an oscilloscope to test wheth...[Details]
// Fuse bits F7 DC F9 FF // Function: pb1 outputs high and low level with a time interval of one second #include iom88v.h #include macros.h int blink_sign = 0; void timer0_init(void) { ...[Details]
Nowadays, electric cars are becoming more and more popular. The most worrying thing about buying electric cars is the charging problem. Today we summarize 5 factors that affect the charging speed. ...[Details]