I would like to ask you, when the high-speed crystal oscillator of 430F149 is 4M, what should be the value of the two capacitors of the crystal oscillator? My phenomenon is that when the 4M crystal os...
Application of AMBE-1000 Vocoder in Voice Communication SystemAuthor: Liu Yunyi Chen… Article source: Electronic Technology Application Hits: 4 Update time: 2006-7-8P Abstract: AMBE-1000 is a low bit ...
Dear experts , I designed a filter using filter simulation design software , and the simulation effect is very good. I used a band-stop filter with a center frequency of 200M and a bandwidth of 20MHz....
System Introduction: This system uses the SMS and voice function platform of the GSM network to complete alarm data transmission and control. It can perform various settings and operations on-site or ...
There are two modes of input:
1, dc 5v
2, dc 12VInfrared photoelectric switches are used in cabinets
Requirement: The light turns off when the light is blockedIf the light is not blocked, it will ligh...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
introduction
Temperature and humidity are the main environmental parameters of industrial and agricultural production. It is of great significance to measure them accurately and timely. Using a s...[Details]
As we all know, the manufacturing of modern automobiles is divided into four major processes: stamping, welding, painting and assembly, and the powertrain constitutes five inseparable production pr...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
The situation of "excessive neutral current" mentioned here means that when the three-phase load is balanced, the neutral current is still too large, and the neutral current is more than 1.5 times ...[Details]
The Challenge:
Created to monitor the pulp production process in large paper mills to save energy and reduce costs.
The Solution:
To increase throughput, save energy, and op...[Details]
1. Don't say "Give me a code" as the first sentence when you see someone else's reply. You should think about why. When you figure it out yourself
and refer to other people
's
tips, you will...[Details]
Tags: infrared receiver, infrared receiver
Infrared remote control is currently the most widely used means of communication and remote control. In industrial equipment, in environments suc...[Details]
1. Preface
X25043 is a single-chip monitoring chip from XICOR. It combines four commonly used functions: power-on reset, watchdog timer, voltage monitoring and serial EEPROM functions into a s...[Details]
Introduction
In today's car design, people are paying more and more attention to the two aspects of intelligence and environmental protection. Because intelligent cars can bring people a high...[Details]
Today, the number of electronic components used in automobiles is increasing, and this trend will continue, which brings more design challenges to the power conversion that powers the system. These...[Details]
1.
AC LED
is not a fundamental change in the device.
In other words, there actually does not exist an LED chip that works with an alternating electric field mechanism. The AC LED that is now a...[Details]
Microcontroller MCU
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