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Engineering Technology

Engineering Technology

Summary of tips for changing line width in Altium PCB
19May
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Summary of tips for changing line width in Altium PCB

At present, there is almost no complete set of detection equipment for multi-layer coil short circuit on the market, and most of this work still relies on manual completion. PCB board with large aperture is manually put the board on the detection equipmen

Parameter setting
19May
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Parameter setting

The switching power supply contains high frequency signals. Any printed line on PCB can play the role of antenna. The length and width of printed line will affect its impedance and inductive reactance, thus affecting the frequency response.

What is PCB resin plug hole? Why the resin plug?
17May
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What is PCB resin plug hole? Why the resin plug?

The process of PCB resin plugging includes drilling, electroplating, plugging, baking and grinding. After drilling, the hole will be plated through, and then the resin will be plugged and baked.

SMT patch processing and welding tin bead common problems cause
17May
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SMT patch processing and welding tin bead common problems cause

In the input and input circuits of the LED switching power supply, each circuit is composed of three main components, which are filter capacitor, power switch or rectifier, inductor or transformer.

Altium Designer introduces PCB layers
17May
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Altium Designer introduces PCB layers

usually higher than the solder melting point (183°C)50°C~60°C in most cases refers to the temperature of the solder furnace actual operation, the welded PCB solder joint temperature is lower than the furnace temperature, this is because of the PCB heat ab

What protective facilities should PCBA be equipped with for OEM processing?
16May
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What protective facilities should PCBA be equipped with for OEM processing?

SMT processing plant should first establish and check the anti-static basic engineering, such as ground wire, floor mat, table integration, environmental anti-static Wang project

SMT patch processing to solve printing problems
16May
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SMT patch processing to solve printing problems

Methods to resolve printing errors in the repair process: 1. Printing speed, 2. Printing method, 3. Scraper type, 4. Scraper adjustment

What should intelligent bracelet PCB design pay attention to
15May
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What should intelligent bracelet PCB design pay attention to

In the layout of circuit modules, on the one hand, it is necessary to pay attention to the clock circuit and crystal oscillator circuit to reach the target through the shortest path.

Circuit board mounting holes and support holes
15May
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Circuit board mounting holes and support holes

In low-frequency circuits, where the signal frequency is less than 1MHz, the inductance between the wiring and components can be ignored, and the voltage drop generated on the resistance of the ground circuit has a great impact on the circuit, so the sing

PCB board design principle based on Protel DXP
15May
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PCB board design principle based on Protel DXP

The thickness of PCB board should be determined according to the function of PCB board, the weight of the mounting components, the specifications of PCB board socket, the outline size of PCB board and the mechanical load to be borne.

PCB design techniques to improve electromagnetic compatibility of circuit boards
15May
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PCB design techniques to improve electromagnetic compatibility of circuit boards

In order to suppress the cross talk between the printed circuit board wires, in the design of wiring should be as far as possible to avoid long distance equal wiring, as far as possible to open the distance between lines, signal lines and ground and power

Wiring is mainly carried out according to the following principles
15May
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Wiring is mainly carried out according to the following principles

Under the clock oscillator circuit, the special high-speed logic circuit should increase the area of the ground, rather than other signal lines, so that the surrounding electric field tends to zero.

Just upload Gerber files, BOM files and design files, and the KINGFORD team will provide a complete quotation within 24h.