[color=#000][font=Arial]A 1uf capacitor, with 50Hz AC power added to both ends, will have a capacitive reactance of [1/(2*pi*50)]*1000000=3184 ohms. If 220V AC voltage is directly applied to both ends...
[b][align=left][size=15.75px] LM2577 series is a step-up switching regulator produced by NSC, with output voltages of 12V, 15V and adjustable (ADJ) L. The input voltage range is wide, with the minimum...
EM-STM3210E is a new full-featured evaluation board based on STMicroelectronics STM32 series processor (Cortex-M3 core) launched by Embest. It has rich functional interfaces and is a good platform for...
Is there any expert here? We are preparing for the 2015 electrical engineering exam, doing the real questions from 2013, and referring to the solution we took for the first grade in the national exam ...
The SBC is an innovative electronically controlled braking system that Mercedes-Benz will install in future passenger cars. In line with the ABS, ASR, ESP and Brake Assist systems created by Mercedes-...
Are you still using bus isolation modules in vehicle-mounted projects? The profits of vehicle-mounted projects are relatively low now, and I feel that I can't afford it....., and I'm afraid that the c...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[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]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[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]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]