Lisa's Column
Relationship between Copper Weight, Trace Width and Current Carrying Capacity
Theoretically, PCB (Printed Circuit Board) current carrying capacity is determined by cross-sectional area of trace and temperature rise. Furtherm...
What does the "false eight layers" mean in the PCB stackup?
Everyone needs to choose a stacking scheme for our board when designing a PCB. A good stacking scheme can make our signal quality better, and the p...
6-layer board design scheme and skills
With the increase of circuit complexity, the design of PCB boards is also developing in the direction of high density and high requirements. T...
Precautions for PCB stack-up design for electronic engineers
When designing a PCB (printed circuit board), one of the most basic issues to consider is how many wiring layers, ground planes and power planes ar...
Advantages and disadvantages of several common PCB surface treatment processes and their applicable scenarios
1. Bare copper plateThe advantages and disadvantages are obvious:Advantages: low cost, smooth surface, good weldability (without being oxidized).Di...
12 Requirements for Properly Designing PCB Stacking
The growing demand for more compact electronics requires multilayer PCBs and a 3D design perspective. This design perspective raises new questions ...
ABSORPTION AND DISPERSION in PCB Interconnects
Reducing signal degradation requires dielectrics with lower Dk and LT, more metal and conductors without rough surfaces.
At a trade show a few year...
Length Matching Routing for PCB Busses
Shortening and folding traces takes creativity and persistence, as long as the timing budget is met.
PRINTED CIRCUIT BOARDS are becoming mo...
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