[font=楷体_GB2312][size=4]This chapter mainly introduces the classification, selection and precautions of relays. [/size][/font] [font=楷体_GB2312][size=4]Relays[/size][/font]...
Hello everyone, I recently designed a terminal, which is usually powered by the mains. When the mains suddenly disappears, the terminal automatically switches to the battery. If the mains is restored,...
Our company is making ID card readers recently. My boss asked me to develop Android, use the mobile phone and the card reader to communicate via Bluetooth, and read the ID card data. After that, displ...
Designing Wide Input DC/DC Converters for Thermostat Applications : https://training.eeworld.com.cn/course/5267What to look for when selecting a wide input DC/DC converter for thermostat applications...
When the MSP430 microcontroller IO port is used to detect high and low levels, no external pull-up or pull-down is required because it has internal pull-up and pull-down.When used as high or low level...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:27[/i] The control mode of the chip driving the stepper motor is more flexible, but for driving the DC motor, the only thing that can be chan...
Calibrators are widely used in university experiments. Among them, there are two experiments in nuclear physics experiments in modern physics experiments (GM counter and β absorption) that require ...[Details]
Although improper medical device product design is not always associated with medical device-related errors. Studies of users have shown that lack of adequate training accounts for 70% to 90% of suc...[Details]
For more than 10 years, analog-to-digital converters (ADCs) have been widely used in industrial process control, medical instruments, communication systems, radar and other products as a booster of in...[Details]
1 Introduction
The intelligent meter reading system is a system that reads the data of multiple user meters in a centralized manner through the transmission media by the master station. It...[Details]
introduction
Cars are becoming an indispensable part of people's lives. However, what worries car users is that the theft of cars is increasing year by year. This paper aims to design a conven...[Details]
To help improve DC/DC conversion efficiency at lighter loads and higher frequencies, Schottky diodes can be integrated into MOSFET chips to form a single package to reduce power dissipation in the ...[Details]
Power Integrations (PI) has introduced three charger/adapter reference designs using its new LinkSwitch-II series of AC-DC switching power conversion ICs. The new LinkSwitch-II devices use high-pre...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
A correct circuit design cannot be manufactured 100% correctly when it is taken to the factory for manufacturing. It will always be affected by various uncertainties, such as deviations in manufact...[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]
Abstract:
An amplifier solution for ceramic speaker systems is presented.
Keywords:
audio; ceramic speaker; amplifier; Class G
Today's portable devices require smaller, thinne...[Details]
Abstract:
This paper introduces the excitation system designed for 3/3 phase double winding induction generator, which is composed of DSP and FPGA. The interface circuit of the control sys...[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]
With the improvement of social automation, human-computer interaction capabilities urgently need a major change, and develop in a direction that is more convenient to use and more intuitive. Laser ...[Details]
Billboards are information display terminals for the public, with a wide range of civil and commercial values. However, most of the information displayed on billboards is currently solidified in th...[Details]
Analog electronics
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