Linear Technology Corporation introduces the LT3475, a dual-output 36V, 2MHz step-down DC/DC converter designed to operate as a dual-channel constant current LED driver. Each channel has an internal s...
TPA3128D2EVM Review (I): Unboxing the Class D Audio Amplifier Evaluation Board from TI TPA3128D2EVM Review (II): Preparation of the Test Sound Source TPA3128D2EVM Review (III): Actual Power-On Test [b...
I haven't posted on EE for a long time! Are there any EE friends who have opened an online store? I need a real answer. I want to open a virtual recharge online store, mainly to kill time, and also to...
Seven-segment decoder-driver has always been very common in single-chip microcomputers. Today I will give you a book about seven-segment decoder-driver made with CC4511 4 wires. The content is very de...
I recently downloaded the TCPMP 0.72 source code. After compiling it, it plays fine on the simulator, but it is very stuck when I play it on the board (700MHZ) (same source: video: 40 Mb, 3993 Kbps, 3...
I used the development board of Guangzhou Friendly Arm. Now there is no operating system, so I used the startup code provided by Friendly Arm and wrote a timer program, but now it won’t run. Can you h...
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]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[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]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[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]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[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]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
0 Introduction
With the rapid development of modern power electronics technology, various power electronic devices have been widely used in various fields such as power systems, industry, an...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]