Probe domestic high frequency needle JKT-50L high frequency needle with 3 probes Shunluo tantalum capacitor / main push A type B / partial spot / advantage order / fast delivery Frequency dividing circuit The figure shows a typical crossover circuit diagram--frequency d
According to a report by the Russian satellite network on August 15, in order to prevent accidents in the nuclear industry, the aerospace industry and the extractive industry, NUST MISIS experts from the Russian National Research Technology University have introduced technologies for manu
With the improvement of people's living standards, everyone is paying more and more attention to the safety of home life. Our traditional home security is to install security doors and anti-theft windows in our homes. However, once these traditional security measures occur, such as fires and ga
The independent R&D team Vrai recently launched the VR game “Old Maid Girl†on the Steam platform. The gameplay is just like the name of the game. It is only a ghost girl playing in a pajamas. In the game, in addition to sitting and playing with a beautiful
LED light-emitting diode I believe many people use too much heat (some also called electric heating rods), but how much do you know about the structure and working principle and safety performance of the hot one? Let me dissect the heat and explain some of its principles.
Ever since there was a smart TV, Xiao Bian found that there was a growing need for mobile content, IPAD, and computer terminal content to be put on TV. So Baidu searched and jumped out a bunch of questions such as "Android mobile phone screen to TV", "Mobile
On the evening of August 28, Hongli Zhihui released its first half of 2017 performance report. The report showed that the company achieved operating income of 1.626 billion yuan, an increase of 63.54% over the same period of the previous year; the total profit reached 207 million yuan, an increase
A good laser television system is inseparable from a good anti-light curtain - those so-called "no screen" concept, the so-called "300-inch giant screen on the wall", in the eyes of professional players are "rogue" . So what is the magic of the
As the hub of various components and circuit signal transmission, PCB has become the most important and critical part of electronic information products. Its quality and reliability determine the quality and reliability of the whole equipment. However, due to cost and technical reaso
If you want to make reliable temperature measurements, you need to choose the right temperature sensor for your application. Thermocouples, thermistors, platinum resistance (RTD) and temperature ICs are the most commonly used temperature sensors i
Photocoupler The microphone preamplifier is a very simple circuit, and almost all low noise op amps will suffice for this circuit (TL071, TL082, OPA371, NE5534, etc.). The circuit will be a dynamic microphone, an electret microphone (or a condenser microphone inside the a
On September 6, China Telecom launched the “New Smart Account Serviceâ€. According to China Telecom, this is the core technology that only telecom operators can provide. The account login verification and SMS authentication methods are different. It is a mobile phon