The chip gets hot after powering on. The bootloader can be downloaded via JTAG, but it doesn't run! No information is printed out on the serial port, and the LED light is not on! What is the reason? I...
Abstract: A dual-channel 10A output switching regulated power supply based on the L4970APWM chip is first introduced. The main performance characteristics, packaging and parameter selection of main pe...
I recently wrote a small serial communication program. When doing software simulation, the data can be stored in the transmit register, but when connecting the chip for online simulation, the data can...
Basic principles of simulation
Simulation is a technology used in the field of embedded system development. It can bring system developers the controllability and visibility needed to integra...[Details]
Engineers who are new to wireless design and wireless product development need to master the basics of
RF measurement
. In many cases, this process is to enable engineers who have been engag...[Details]
Overview
Currently, many portable consumer electronic products, such as mobile phones, PDAs, MP3 players, and notebooks, are equipped with display screens. Although the type and size of the di...[Details]
Introduction With the continuous development of economy, people's demand for automobiles is increasing day by day. Correspondingly, automobile consumer groups are becoming more and more mature. It...[Details]
Semiconductor devices used in high-end computing (advanced microprocessors) and consumer electronics (graphics and gaming chipsets) devices generally provide data rates up to 6.4Gbps through hig...[Details]
introduction
Like other
portable
electronic products,
blood flow parameter detectors
need to be small, thin, durable, reliable, and have a long standby time. Therefore, system desi...[Details]
introduction
In engineering practice, ultrasonic waves are often used to measure distances because of their strong directivity, slow energy consumption, and long propagation distance in th...[Details]
Preface
For a long time, SD cards with Flash Memory as storage have been widely used in consumer electronic products due to their small size, low power consumption, erasable and non-volati...[Details]
Power semiconductors and reactive components (capacitors and inductors) are ubiquitous in today's electrical equipment. In normal operation, they can cause two undesirable side effects on the AC line ...[Details]
Introduction
High voltage power supply is an indispensable part of nuclear radiation detection instrument, which supplies high voltage to nuclear radiation detection devices (such as prop...[Details]
In recent years, the development of automotive electronic technology has significantly improved vehicle safety performance. One of the technologies that is expected to be widely used is the tire p...[Details]
1 Introduction to suction laminating machine
Suction laminating machine is a kind of woodworking machinery, which can realize the laminating function of wood boards and other materials. It i...[Details]
0 Introduction
Implantable medical devices can be divided into two types: passive and active. Most passive implantable medical devices are non-electronic products, such as contact lenses, hear...[Details]
Introduction
DFT (Discrete Fourier Transformation) is an important transformation tool for digital signal analysis and processing such as graphics, speech and images.
The amount of calcula...[Details]
0 Introduction
GaAs photocathode is a negative electron affinity photocathode with the advantages of high quantum efficiency, concentrated energy and angle distribution of emitted electrons. T...[Details]