PCB design wire and pad with white ring solution
There are three PCB design methods that can withstand 100A current：1: PCB wiring, 2: terminals, 3: custom copper bar, 4: special process
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Can PCB design high speed signal layout be routed at 90°?
It is strongly required in various PCB design guidelines that high frequency and high speed signal transmission lines need to maintain consistent characteristic impedance, and that 90° Angle routing at the corner of the transmission line will change the l
Does pad size affect circuit board welding?
The circuit board software designed by many circuit board designers is designed according to the components of the circuit board software itself.
Why is it necessary to clean the circuit board after soldering?
The calibration shall be carried out by an approved standard measuring institution. The quality assurance department shall register the calibrated equipment, instruments and tools and keep a calibration record book.
The 14 important characteristics of high reliability PCB are reviewed
Whether in the manufacturing and assembly process or in actual use, PCB to have reliable performance, this is very important.
Why should capacitors be placed nearby in PCB design?
The method of high-speed PCB design and wiring to solve signal crosstalk: First, in possible cases to reduce the signal along the conversion rate usually in the device, while meeting the design specifications as far as possible to choose slow devices, and
Analysis of common rule of thumb in PCB design and wiring
For you to analyze the common rules of thumb in PCB design wiring: first, vertical wiring, second, heat dissipation hole, third, right Angle wiring
PCB design elements affecting SMT manufacturing
SMT manufacturing units are fully automatic, high precision and high speed. As the degree of automation increases, PCB design must meet the SMT equipment requirements.
How to prevent board copying through PCB design?
Common ways to prevent PCB copying board: 1, grinding, 2, sealing glue, 3, use special encryption chip, 4, the use of uncracking chip, 5, use MASK IC, 6, the use of nude, 7, in the current of the signal line series more than 60 ohms of resistance, 8, use
The effect of PCBA design defect on manufacturability
The design defects of PCBA are difficult or even impossible to solve in the production process. The negligence of PCB design quality control will lead to the waste of components, materials and working hours, and even cause heavy losses.
Reasons for indented design of GND layer and power layer in multi-layer PCB design
Only under certain conditions can the 20H principle have obvious effects. 1. The power plane shall be located inside the PCB, and the upper and lower layers adjacent to it shall be 0V planes, and the distance between the two 0V planes shall be at least 20
PCB design requirements for screen printing design
The characteristics of the gold process: the copper on the circuit board is mainly copper, copper solder in the air is easy to be oxidized, which will cause the electrical conductivity is to eat tin bad or bad contact, reduce the performance of the circui
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