The 2017 Sharp high-end tasting tour has ended. It is reported that the omni-channel sales have achieved an amazing record, which has exceeded 2.5 billion, an increase of 406% compared with the same period last year. Among them, Sharp's 8K TV is the biggest focus, …
The previous article introduced the principles that consumers need to determine before DIY own smart home. Then how do you DIY your smart home based on these principles? This article will introduce you, after the user can read a reference, in the actual hands-on or…
The calculation model of short-wave sky wave propagation attenuation prediction is established to provide reference for ensuring the reliability of short-wave communication circuits. The established method is mainly based on ITU-R P.533-7. Fir…
A repeater is an intra-frequency relay device that directly amplifies a signal during wireless communication transmission. Its basic function is an RF signal power booster. Due to its low construction cost, simple installation and flexible net…
In the current video surveillance field, IPC network HD cameras have become a trend. In engineering projects, there are various forms of IPC, and there are some misunderstandings i…
Summary: The most common led lamp beads, do you know which LED lamp bead classification? What are the types of led lamp beads? This article mainly introduces the classification of led lamp beads and the problems that often occur in our LED lamp beads and led lamp beads…
Traditional RF amplifiers use discrete transistor active devices, mainly because of the low cost of the device. With the improvement of the performance of the op amp and the promotion of batch applications, the use of op amps in RF amplifiers …
First, the principle of blood pressure measurement
The concept of blood pressure is the pressure of blood flowing through the walls of blood vessels. The blood co…
Xiao Bian Note: # Sun singles # again struck, 2017 to buy good goods at the end of the sun out to participate in winning iPad, QC30, Kindle, Jingdong Card and other major awards. # Warm winter # share warm artifact cool and good things; # # hot theme big theme, ther…
Molex recently added three new terminals to the Mini50 sealed connector after the release of the popular Mini50 wire-to-board connector system. These new types of terminals, called TAK50 terminals, CTX50 unsealed gold-plated terminals, and CTX50 sealed terminals, enable vehicle manufactur…
The automobile engine cooling system is one of the six major systems of the engine. Its function is to dissipate part of the heat absorbed by the heated parts in time to ensure that the engine works at the optimum temperature.
The role of the car engine co…
The rise of laser televisions has made it possible for us to experience the cinema-like super-large screen experience at home. After all, the high-price and irrational prices of LCD-size televisions of the same size are not satisfactory in terms of picture qu…