I see that the frequency of 449's FLL+ setting can reach more than 40MHz. Now I need to output a clock of about 20MHz to other devices. Does anyone know or have tried it?...
[i=s]This post was last edited by dontium on 2015-1-23 11:42[/i] [font=宋体][size=2]In the early stage of development, some boards are always manually pasted, and there are always many problems when the...
[size=4]The ST AMG SensorTile competition ([url=https://bbs.eeworld.com.cn/thread-507501-1-1.html]>>Click to view[/url]) which is currently being held in the forum has opened a QQ group. Friends who a...
If you disagree, please share your opinion:) An oscilloscope can display voltage fluctuations, so it can be considered that an oscilloscope is a special voltmeter, which is correct:)...
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
In the test of the electronic ignition module, in order to simulate the real working conditions of the electronic ignition system, the electronic ignition module is often placed in an environment h...[Details]
In order to ensure that lighting-grade white light LEDs can not only be well applied but also achieve high utilization efficiency, first of all, it is necessary to meet certain application conditions,...[Details]
1. Electromagnetic compatibility design
Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]
Embedded System
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