1.How to choose PCB board material?
For the selection of PCB sheets, a balance point must be reached between the design requirements and the mass production as well as the cost. Design requirements include electrical and mechanical components of the two parts. This material problem is important when designing a very
1.Do not forget to add capacitive filter at the power input and output
Normally, the electrical signals are unstable at the input and output of the power supply, and the power supply directly to the load will cause damage to the load for a long time, and it will also make the
When designing a PCB, how to choose the via size? There are two voices.One voice said: choose 10-12mil via,Large vias are not helpful for heat dissipation and flow design, and the parasitic inductance of small holes is very small, which can effectively reduce the impedance of the power path. Another
What is a parallel signal and Serial signal?
To understand parallel signals and serial signals, let's first understand the concepts of parallel communication (transmission) and serial communication (transmission).A parallel signal is a signal that is communicated in parallel, and a serial signal is a signal that is communicated in serial mode. Serial
When we completed the layout of a circuit board, and checked there were no errors that the connectivity and spacing, then a PCB design really be finished? The answer of course no,many beginners also includes a number of experienced engineers often ignore the later check and get throught a thing carelessly because time
The PCB circuit board is a support component of components and devices in electronic products.Even schematic diagram is correct, but uncorrected PCB layout design will also effect the reliability of electronic products. In the design of printed circuit boards, attention should be paid to the correct method, to comply with the
In PCB design, consider signal quality control factors, the general principles of PCB layer stack up should be follow below:
The second planes adjacent to the component surfaceis ground plane, providing device shielding layer and referenceplane.
All signal layers are adjacent to the ground plane as much as possible to ensure
What are the basic principles of PCB design for whole board layout? How to optimize and analyze?
Reasonable layout directly affects the life of the product, stability, EMC (electromagnetic compatibility), must from the overall layout, circuit board wiring condition and PCB manufacturing, mechanical structure, heat dissipation, EMI (electromagnetic interference), integrated and reliability,
PCB (Printed Circuit Board) is an important electronic components, it’s base board of electronic components and carrier of electrical connections. it is called "printed" circuit board because it is made using printing technology.
Double-layer circuit board is layout wiring on both sides, but to use the two sides of the wire, must have appropriate circuit connection between
4.The wiring switching power supply contains high frequency signals
Any printed circuit on the PCB can play the role of the antenna,the length and width of the printed line will affect its impedance and inductance, thus affecting the frequency response.Even the printed lines through the DC signal are coupled from the
