Assume a 3V/300mA circuit with a 30V input and a DCDC chip for voltage reduction. Generally, the lower the voltage difference, the higher the conversion efficiency. If a voltage divider resistor is us...
I transplanted Samsung's 5.0BSP to my 2440, but found that it started up quickly but ran very slowly, just like a desktop computer with a virus. Later I blocked some drivers and it ran faster. -------...
V1.2 (1) Provide conversion between BDFFNT, BDFFNB, FNTFNB (2) Provide conversion between TTF installed in Windows and BDF format (3) Import TTF file into TTF format (4) Chinese character code query V...
1Bachelor degree or above, major in electronic engineering, communication, computer and related majors. 2Proficient in C/C++ language, those with experience in embedded software development or UNIX/Li...
[i=s]This post was last edited by music_586 on 2015-4-19 10:17[/i] Just to add, someone recently asked me if I was an agent or technical support? Let me introduce myself briefly. I have been engaged i...
In order to prevent traffic accidents, when the intelligent detection device of the car detects danger ahead, it must send a warning message to the driver. The voice alarm clearly reminds the drive...[Details]
SinoWise's SH66xx series 4-bit microcontrollers have the characteristics of fast speed, low power consumption, simple structure, easy to use, and high cost performance. They are widely used in remo...[Details]
This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices to achiev...[Details]
1. Design Overview
1. Design Intent
The rapid development of medical imaging technology continues to promote the progress of modern medicine. CT, MRI, and PET are widely ...[Details]
Microelectromechanical systems (MEMS) are gradually entering the consumer, industrial, medical, automotive and computer application markets. Moreover, we cannot ignore their steady progress in the ins...[Details]
Ultrasonic tooth cleaning machines have been widely used in the medical field. Most ultrasonic tooth cleaning machines used at home and abroad now use analog oscillation circuits. There are the follow...[Details]
Overview
PS pressure sensor is an electronic pressure sensor made of semiconductor diaphragm structure. It can convert the physical quantity of air pressure into electrical signals and detect ...[Details]
The 21st century is the century of life and health. The rapid progress of life sciences continues to promote human understanding of their own health and diseases. How to develop innovative medical ele...[Details]
With the development of the automobile industry, the complexity and information density of automobile information systems are increasing. Displays are no longer just basic centralized instrument di...[Details]
With the rapid development of computer technology, embedded image systems are widely used in office equipment, manufacturing and process design, medical, monitoring, sanitary equipment, transportat...[Details]
This summary will introduce the transmitter characteristic test of TD terminal products - uplink power control. According to the 3GPP TS34.122 standard, UE uplink power control is divided into uplink ...[Details]
Over the past 15 to 20 years, automotive power MOSFETs have evolved from an initial technical topic to a thriving commercial sector. Power MOSFETs were chosen because they can withstand transient ...[Details]
Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m～1kHz), audio (20Hz～20kHz), video (20kHz～10MHz), radio fre...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[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]
PCB Design
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