[align=left][size=3] [/size][font=微软雅黑][size=3] [b] Surge protector, also called lightning arrester, is an electronic device that provides safety protection for various electronic equipment, instrumen...
The control signals sent by each system control unit are transmitted by radio waves. Each system control unit receives the transmitted information and then performs corresponding actions according to ...
I want to make three square wave signal sources, and require the input phases of these three signal sources to be 120° apart. How can I do this? I see a clock signal in the signal source, but I don't ...
After the arrival of the 5G era, wireless broadband technology will present the outer circle as the outer circle is the performance of 5G, and the inner circle is the performance of 4G. Compared with ...
Temperature control devices such as refrigerators, freezers, and air conditioners have been widely used in the general public. These devices have brought more comfort to people, and people are becomin...
On February 6, according to a recent report by Anhui.com, at the fourth session of the 13th Anhui Provincial People's Congress, 15 representatives including Cai Jingmin of the Hefei delegation propos...[Details]
On May 6, Haichuan Intelligent announced that the company plans to acquire 53% of the equity of Jiuhua Yuantong by issuing shares and paying cash. The company's securities will be suspended from the ...[Details]
The fixed WiMAX standard is based on orthogonal frequency division multiplexing (OFDM) technology and uses 256 subcarriers; the standard supports multiple channel bandwidths in the range of 1.75~28...[Details]
In the previous article, we learned about the data types supported by the KEIL C MCU C language compiler. How are these C51 data types used in the definition of constants and variables? Is there an...[Details]
1 Introduction Ultra-low phase noise is a common requirement for radar test equipment. In the field of aviation and aerospace, radar signals are mostly pulse systems, and pulse width and pulse repeti...[Details]
Recently, an energy-saving solar emergency light has appeared in the electronics market. It can be used in case of power outages or for nighttime travel. The attached figure shows the application circ...[Details]
Currently, most automobiles use LEDs and CCFLs as backlights, and both require special power supplies. This application note discusses power supply solutions for LED and CCFL light sources, w...[Details]
德国专利局日前公布的《2021年度报告》显示,中国2021年在德国申请的专利数量显著增加。在数字通信技术领域,尤其在5G移动通信标准专利上,中国已申请4308项,同比增长6.8%,超过了拥有4115项专利的美国。 Cornelia Rudloff-Schäffer, President of the German Patent Office, said: "When it comes to G...[Details]
I believe many people have electric kettles at home.
Boil water with this electric kettle
Don't need to watch from the side
Automatically cut off power after water boils
Very co...[Details]
SMT first article tester What is SMT First Article Tester? In the SMT surface mount production/processing process, we usually use the first board produced/mounted as a sample. The sample must be co...[Details]
China Energy Storage Network News:
On November 1, local time in the United States, the United Nations and the Global Energy Interconnection Development Cooperation Organization released the "...[Details]
LED stroboscopic effect refers to two concepts. One is stroboscopic: that is, the depth of the fluctuation of the luminous flux of the electric light source. The greater the fluctuation depth, the...[Details]
The "call" instruction in the ABB robot programming instructions is a very important instruction, which allows the programmer to call another program or subroutine in the program.
Overvi...[Details]