I am a beginner, and I hope you masters can give me some advice.I want to use 34063 to make a +18V input -18V output circuit, hoping that the output current can reach 2A, and the ripple requirement is...
The above is the PCB circuit board. The feedback resistor is connected to a sliding rheostat. After soldering, it was found to be self-excited when powered on. There was an output when there was no in...
I would like to ask friends who are participating in the competition and use K210, whether they have encountered the following problems:
Problem 1: When K210 loads the SD card, it is unstable. Sometim...
【Abstract】 According to the ferrite coupled wave theory, the transmission matrix of circular polarization phase shifter for arbitrarily polarized electromagnetic waves is derived. On this basis, the t...
Friends who haven't been there, take a look at the pictures and go there right away after you finish reading, hahaComposite earth pressure balance shield machine"Jiaolong" deep-sea probeAntarctic scie...
As a natural human-machine interface, voice can make the in-vehicle navigation system safer and more user-friendly. Through the functional comparison of domestic and foreign in-vehicle navigation s...[Details]
introduction
Oxygen is an important substance for human metabolism. Brain tissue has a high metabolic rate and consumes about 20% of the total oxygen in the body. In the clinical rescue and ...[Details]
Blood pressure is one of the important physiological parameters of the human body. Accurate measurement of it is conducive to early detection and identification of hypertension types, and to the pro...[Details]
At present, the global medical electronics industry is gradually showing attractive development prospects, and the speed of product replacement is constantly increasing. At the same time, due to the p...[Details]
MOSFETs are widely used as power switching elements in regulators and motor controllers. They are available as discrete devices or integrated into ICs in various H-bridge configurations.
A hig...[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]
1 Introduction
Reliability research originated from weapon systems. After nearly half a century of development, it has become an engineering discipline that covers all disciplines and industri...[Details]
Introduction: Generally speaking, the power supplies used to drive today's high-resolution analog/digital converters have AC or DC loads of hundreds of ohms or more. Therefore, an operational ampli...[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]
Although the human eye is very good at distinguishing colors, different people can describe the same color differently, which means that verbal descriptions are not enough in applications that requ...[Details]
Abstract:
Aiming at the problems of repeated design and high cost of existing LED large-screen displays, a modular LED large-screen display is proposed, which can realize flexible configurati...[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]
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]
This Design Idea shows how to keep telecom equipment operational during brief brownouts. First, it is important to understand a few details about the power supplies used for telecom equipment. The ...[Details]