Security system maintenance and home appliance maintenance, car maintenance and other maintenance methods are basically the same, often with the help of a variety of instruments, instruments and tools. So as a security system maintenance technician, we must first learn and our industry related instruments, meters, tools and so on. Only by mastering and using …
Wireless lapel microphone, a type of wireless microphone, has become popular recently. It is a small, small and portable microphone, usually worn in the location of the user's clothing lapel. It can be freed from the cable, and the user can do whatever he or she wants without worrying about the sound. It is generally …
A capacitor is an energy storage element used in circuits for tuning, filtering, coupling, bypassing, energy conversion and delay. Capacitor is usually called capacitor, according to its structure can be divided into fixed capacitor, semi-variable capacitor, variable capacitor three, in the circuit commonly used letter "C", according to its dielectric material can be divided into …
Japanese electronics component companies reported strong results. The net profits of all seven large companies in fiscal 2021 (ending March 2022) were higher than the previous fiscal year. In the background of electric car, product negotiation is flourishing and price reduction is reduced. In addition, the depreciation of the yen has also become a factor. …
Triode, full name should be semiconductor triode, also known as bipolar transistor, crystal triode, is a kind of control current semiconductor device. Its function is to amplify the weak signal into a larger amplitude of the electrical signal, but also used as a contactless switch. Triode is one of the basic components of semiconductor, which …
Components are the foundation of all electronic equipment, security system maintenance, cannot do without security equipment, although we are not focused on maintenance equipment, but as a system maintenance technician, understand some components of the basic knowledge, in the process of maintenance often get twice the result with half the effort. If the equipment is …
Wireless remote control technology is also widely used in security systems, such as parking lot system in the gate remote control, access control wireless remote control door remote control, wireless alarm system and so on. At present, the mainstream wireless remote control codec chip on the market, welding code, learning code, rolling code. According to …
Rectifier diodes are generally planar silicon diodes used in various power supply rectifier circuits. When choosing rectifier diode, the following important parameters should be considered. (1) Maximum average rectifier current IF: refers to the maximum forward average current allowed to pass through when the diode works for a long time. The current is determined by …
Common rectifier diode models, what are the important parameters? Read More »
As you know, Intel's old roadmap had 14nm, 10nm, and 7nm processes, with 7nm being the first EUV-based process and twice as dense as 10nm. Intel eventually updated their roadmap to bring it more in line with the numbering schemes used by Samsung and TSMC. Intel has several versions of the 10nm process, the original …
Aluminum capacitors are an essential component of electronic devices. These components store and release energy to other components in the circuit, known as capacitance. In this blog post, you will find out all about aluminum capacitors, how they work and what goes into their construction. What is an Aluminum Capacitor? An Aluminum capacitor is a …
