Traditional security products include access control, infrared alarm, smoke sensor, camera and video monitoring, etc. The usual alarm center transmits the information of the front end of the alarm (smoke sensor, infrared ...) to the center through the telephone line di…
What is an AM / FM wave?
The modulation method that changes the carrier amplitude according to the modulation signal is called amplitude modulation. The radio wave after amplitude modulation is called amplitude modulation wave. It maintains the frequency charac…
Application of phase shift trigger chip TCA785 in the circumferential current control of magnetic particle flaw detector
0 Overview
Magnetic particle flaw detector has been widely used in aviation, machinery, automobile, internal combustion engine, rai…
Set the common-mode input voltage range of the high-speed ADC (Chinese)
For communication receivers that include baseband sampling and high-speed ADCs, the input common-mode voltage range (VCM) is very important. This problem is especially critical…
Speech synthesis technology is an important part of leading the information society and an important means for the majority of manufacturers to enhance the value of their product…
Microsoft smartphone confirmed to be available in April
According to news from March 5, according to foreign media reports, the American blog site Gizmodo, which focuses on technology product reports, recently confirmed that Microsoft smartphones do exist and w…
The principle design of automobile multi-function control switch
Central issues:
Insufficient traditional control switch
Multifunctional electronic control switch structure and performance
solution:
Starting runaway control c…
Realization of Hart Communication in DPV1
PROFIBUS is a field bus technology used for factory automation workshop level monitoring and field device layer data communication and control. It can realize decentralized digital control and field communication from f…
Analysis of Internet of Things Technology Framework and Standard System
"At present, the concept and technical architecture of the Internet of Things lack a unified and clear description, and some stakeholders are competing to interpret based on their own …
Opera browser downloads tripled after Microsoft developed the market
On March 4, according to foreign media reports, Opera Software said on Wednesday that after Microsoft began to make it easier for Europeans to choose smaller competitor browsers, Opera browser…