Principle of failure analysis of electronic components Failure analysis of electronic components is to confirm the failure phenomenon of electronic components, identify the failure mode and failure mechanism, and finally… Read more
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,… Read more
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.… Read more
Ceramic dielectric vessel, also known as ceramic capacitor, it takes ceramic as the medium, coated with metal film (generally silver) and sintered at high temperature to form electrode, and… Read more
Capacitor is a kind of electric charge storage components, is also one of the most commonly used electronic components, its classification is rich, including film capacitor, CBB capacitor, gauge capacitor… Read more
Paper capacitor leakage repair method If the paper capacitor is affected by moisture and leakage, the radio will produce distortion, noise and soft tone and other faults. Repair method: prepare… Read more
Sensor is actually a kind of weighing signal into analog electrical signal or digital electrical signal output device, according to different actual working environment of the correct selection of sensor,… Read more
Sensor is a kind of testing device, can feel the measured information, and will feel information, according to certain rules transform into electrical signal or other required information in the… Read more
"I live next to a parking lot that is used for self-driving testing, and I recently realized that when I get close to a liDAR using a car, it triggers… Read more
Difference in luminescence principle: LED is the use of the injection of active region of spontaneous emission of composite luminescence, while LD is the excited emission of composite luminescence. The… Read more