This article will be divided into three parts to explain the definition of antenna isolation, several key factors affecting antenna isolation, and how to improve the isolation of terminal antennas. I ...
With the development of wireless communication technology and the improvement of data processing capabilities, location-based services have become one of the most promising Internet services. Whether ...
This is the power supply I saw. There are two kinds of inductors in the power supply. One is an ordinary enameled wire inductor, and the other is wound with "silk wire". Does this kind of inductor hav...
In high-speed wireless communication systems, signals must be up-converted or down-converted before they can be propagated and processed. This frequency conversion step is traditionally called mixing ...
[i=s]This post was last edited by Northwest by Northwest1959 on 2022-7-18 16:27[/i]Domestic 51 single chip microcomputer
TU8010CQF, suitable for atomizer, humidifier, power management, motor drive, wi...
When using a transistor in the amplification area, which thermal resistance should be considered after considering the power? How to choose? How much power can be used? The thermal resistance of the u...
Measuring the phase noise of a variable frequency oscillator or synthesizer uses an expensive spectrum analyzer. For specific measurements at a fixed frequency of 455kHz, cheaper methods are avai...[Details]
//I have used this program, you can refer to it with confidence, but this program can only display two digits, the last two digits are to show a temperature symbol!
#include
#include
#define ucha...[Details]
0 Preface In the existing CNC systems, the motion controller is designed by using the computer numerical control system solution of industrial control computer plus motion control card. As the over...[Details]
OTDR testing and interpretation of results can be greatly simplified with a high-quality OTDR and software tools that provide reliable information to the user. To help clarify OTDR testing methods ...[Details]
"Short and lean" has always been synonymous with Ningde era press conferences. This week, CATL held another new product launch conference in 20 minutes. Although it was short-lived, it still attrac...[Details]
In the relevant single-chip circuit, the minimum system includes an RC power-on automatic reset circuit. The RC power-on automatic reset circuit (hereinafter referred to as the RC circuit), as the nam...[Details]
Because this program is relatively simple, I will not explain it in detail. The hardware circuit will also be briefly explained in the source code.
See the source code:
#include avr/io.h...[Details]
ER6 battery system (Source: Friends of Greenlink ) Introduction: Today, GreenCore released the latest solution for Roewe ER6, "How to ensure safety and reliability while improving energy density? ...[Details]
Speakers
Due to the influence of various factors such as the structural form, the selection of cabinet materials, and the processing accuracy, the speaker itself is a mixed sound source of ...[Details]
According to GSMArena, after Google pushed the December update, many Pixel 6 users reported that a new bug had appeared, the signal was often lost, and calls and data connections were affected. This ...[Details]
The so-called programmable interface chip refers to an interface chip whose function can be changed by the instructions of the microprocessor. By programming, an interface chip can perform different ...[Details]
Technical Background
In today's electronic products, touch sensing technology is increasingly gaining attention and application. It is not only beautiful and durable, but als...[Details]
China Energy Storage Network:
Ningxia is a region rich in both traditional and new energy. In the process of building an important thermal power base and the first comprehensive demonstrati...[Details]
Mitsubishi PLC (Programmable Logic Controller) is a control device widely used in the field of industrial automation. It has the characteristics of flexible programming, powerful functions, high re...[Details]