This year I went to Shenzhen to attend an education equipment exhibition. At the exhibition I saw a PCB circuit board making machine that is more suitable for personal enthusiasts (price 7800 yuan, wi...
The next few years will see a dramatic change in the way people view the high-tech world. We are just beginning to realize that the electronics industry will play a major role in solving the problem o...
I built the OS directly according to the steps, compiled it without any modification, and got errors. There are really many errors. Experts, please help me. See what the errors are and help me fix the...
CadenceLIVE China 2022 China Online User Conference invites you to attendRegister for the conferenceSummer is coming, everything grows, the sun is bright and bright. In this midsummer season, CadenceL...
introduceReceivers typically contain narrow bandpass hardware filters and narrow low-pass filters implemented in digital signal processing (DSP). The equivalent noise bandwidth (ENBW) is a way to unde...
PrefaceSwitching power supplies, motor drives, and some power electronic converters usually use power devices. During the design process, it is necessary to measure the junction temperature of power M...
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[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]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
PCB Design
京公网安备 11010802033920号
EEWORLD
