The circuit is also the road to understand the PCB wiring
When you don't have a concept of PCB design, just think about our daily road, the two are exactly the same.
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Analysis of layout and routing methods for mixed signal PCB design
The special requirements for power transmission lines and the need to isolate noise coupling between analog and digital circuits add further complexity to the layout and wiring of mixed-signal PCBS.
Methods to prevent the warping of PCB printed boards
The board on which the components are installed is bent after welding, and it is difficult to cut the feet of the components neatly. The board can not be installed into the chassis or machine socket, so the assembly plant encountered the board is also ver
How to measure the dielectric constant of PCB circuit board material at millimeter wave frequency?
While raw material test methods often introduce uncertainties related to test fixtures or test devices, circuit test methods include uncertainties from test circuit design and fabrication techniques. Because the two methods are different, measurement resu
The advantage of pcba to contract labor and materials
1. PCBA processing refers to PCB bare board after SMT patch, DIP plug-in welding, post-welding, cleaning, three anti-paint spraying, testing aging, etc.; After the whole processing process to form PCBA, referred to as PCBA processing2.SMT patch processing
How to choose PCBA manufacturer
1, PCBA processing equipment, 2, PCBA processing plant environment, 3, PCBA processing technical service ability, 4, PCBA processing finished product packaging, 5, assess the overall strength of PCBA processing plant, 6, PCBA processing price and delivery
Reasons and solutions for PCBA welding spot pulling
PCBA processing and welding process is mainly divided into three parts: one is SMT reflow welding, two is DIP wave welding, three is manual soldering iron welding
PCB circuit board design and wiring principles
How to improve SMT SMT processing efficiency: first, advance work preparation, second, ensure the SMT SMT machine running time balance, third, equipment operating parameters
The type and design standard analysis of solder pad in PCB design
The spacing and size of conductive rubber keys shall be consistent with the actual size of conductive rubber keys, and the PCB board connected with this shall be designed as a gold finger, and the corresponding gold-plated thickness shall be specified.
Talk about ground suppression and interference in PCB design
The larger the number of turns of common mode choke, the larger the parasitic capacitance and the worse the effect of high frequency isolation.
PCB copper coating should pay attention to those problems? How to choose solid copper and grid copper?
the copper coating on PCB, if the grounding problem is handled well, is certainly "more advantages than disadvantages", it can reduce the signal line backflow area, reduce the signal external electromagnetic interference.
In the design of six types of modular PCB in China
In PCB board copy and design work, we often have to debug and test the circuit board, the debugging of six types of module circuit board is one of them, in order to let you better understand the debugging technology of six types of module circuit board, f
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