I want to use op07 and opa547 chips to form a voltage-controlled current source. The problem I encounter now is that the voltage at the positive and negative ends of opa547 are not equal. Why is this?...
Design technology of high rate discharge VRLA batteryIn 1971, the US Gates Company used its patented technology of liquid-absorbing cylindrical VRLA battery to realize the application of oxygen recomb...
Direction 1: DSP6000 development engineer Job requirements 1. Bachelor degree or above, major in electronics, automation and other related majors 2. Proficient in C language and familiar with assembly...
In a special classroom at Hakjeong Elementary School in Hakjeong-dong, Daegu, South Korea, a chubby robot teacher is giving English lessons to children.
Although the teacher is not tall and has a big ...
[i=s]This post was last edited by RCSN on 2021-2-1 09:31[/i]Compared with LGVL, ThreadX GUIX currently has less information in China. Anfulai's tutorial is also starting to be made, which is also quit...
This presentation will cover 5G infrastructure market trends and advanced technologies to achieve the required performance. We will specifically focus on GaN technology and how it can enable high powe...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[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]
This paper describes the design method of electronic multifunctional watt-hour meter, the key technology of hardware design and the software design process. Taking NEC's μPD78F0338 microcontroller ...[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]