1, using diode unidirectional conductivity to prevent the input voltage reverse connection, such a good circuit is simple, the cost is low, but a little loss, because the diode have pressure drop and pressure drop at least 0.2 SS14, but also good, the advantages of schottky diode itself lies in the forward bias voltage is [...]
Overview of printed circuit board HDI high density technology, application of HDI circuit board manufacturing technology (1) fine wire technology in the future high fine wire width/spacing will be 0.20mm-o.13mm-0.08mm-0.05mm, to meet the requirements of SMT and Multichip Package (MCP). The following techniques are therefore required. (1) due to the thin wire width of the [...]
In the electronic market, various kinds of circuit boards are covered with various shapes and colors of electronic components, safety capacitor is one of the most important members, safety Y capacitor and safety X2 capacitor, respectively blue wafer and yellow box. Safety Y capacitor is flame retardant epoxy resin, safety X2 capacitor is polypropylene or [...]
Circuit board debugging: for a new design of the circuit board, debugging often encounter some difficulties, especially when the board is larger, more components, often do not know how to start. But if master a set of reasonable debugging methods, debugging will be twice the result with half the effort. For the new PCB we [...]
How to detect faults quickly? 1. Look at the state of components Get a faulty circuit board, first observe the circuit board has no obvious component damage, such as electrolytic capacitor burn and bulge, resistance burn out and power device burn out. 2. Look at the welding of the circuit board If there is no [...]
Anyway, every layout engineer has his own way of understanding layout. The same PCB, different layout engineers will draw different effects. When I open all the layers: do you feel like you want to worship even if you're a layman? It can be said that an excellent layout engineer is an artist! First of all, [...]
The heat generated during the operation of the electronic equipment causes the internal temperature of the equipment to rise rapidly. If the heat is not released in time, the equipment will continue to warm up, and the device will fail due to overheating, and the reliability of the electronic equipment will decline. Therefore, it is [...]
"Do you find yourself wondering what exactly the circuit board assembly process is? Printed circuit boards are critical to almost all electronics today. They are widely considered to be green computer chips covered with copper wires and symbols screen printing. Printed circuit boards are usually made of fiberglass, copper traces, and other conductive materials, and [...]
The heat generated during the operation of electronic equipment causes the internal temperature of the equipment to rise rapidly. If the heat is not dissipated in time, the equipment will continue to heat up, the device will fail due to overheating, and the reliability of the electronic equipment will decline. Therefore, it is important to [...]
What is a PCB circuit board Printed circuit board {PCB circuit board}, also known as printed circuit board, is a provider of electrical connections for electronic components. Its development has a history of more than 100 years; its design is mainly layout design; the main advantages of using circuit boards are greatly reducing errors in [...]