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Immersion copper/black hole/black shadow process, which one should I choose for PCB?

Immersion copper / black hole/black shadow process, which one should I choose for PCB?

Since Paul Eisner officially invented PCB manufacturing technology in 1936, more than 80 years have passed, PCB has developed rapidly and has become an indispensable foundation for the electronics industry. Although the PCB generally only accounts for 5-10% of the cost of the finished circuit board, the reliability of the PCB is far more important …

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What are the parameters of the Bluetooth headset PCBA?

What are the parameters of the Bluetooth headset PCBA?

The technical parameters of the Bluetooth headset are very important. Because the Bluetooth headsets we need are not only for listening to the phone, but more time for enjoying music, so when purchasing, we should pay attention to several important technical parameters such as impedance, sensitivity, frequency response and distortion of the headset. Impedance: Abbreviation …

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Arisentec PCB Fabrication

Arisentec PCB Fabrication

We do not fabricate printed circuit boards internally. However, we work very closely with SCC, Fastprint, Kingwan etc. and have relationships with several PCB fabrication shops to best serve our customers. Our philosophy on choosing the appropriate board house for our customers is: We chose the best PCB fabrication house for customer’s needs. From same …

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General high-speed signal PCB design processing principles are: (1) Level selection: When dealing with high-speed signals, the level with GND on both sides is preferred. (2) Priority should be given to the total length of high-speed signals when processing (3) Limitation on the number of high-speed signal vias: high-speed signals are allowed to change layers once, and GND VIA is added when changing layers (4) If the high-speed signal does not have a PIN adjacent to GND at one end of the connector, GND VIA should be added during design 5) Requirements for the wiring of high-speed signals in the connector: the wiring in the connector must be centered. (6) The high-speed signal should set the non-coupling length and the length error of the pair of signals. When making the length error, it is necessary to consider whether to add PIN DELAY (7) When processing high-speed signals, try to send and receive signals on different layers. If the space is limited, if you need to send and receive signals on the same layer, you should increase the distance between sending and receiving signals High Speed Signal PCB Design

High Speed Signal PCB Design

General high-speed signal PCB design processing principles are: (1) Level selection: When dealing with high-speed signals, the level with GND on both sides is preferred. (2) Priority should be given to the total length of high-speed signals when processing (3) Limitation on the number of high-speed signal vias: high-speed signals are allowed to change layers once, and …

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Shielding Method in High Speed PCB Design

While the transmission rate of high-speed PCB fabrication design and wiring system is steadily accelerating, it also brings some anti-interference vulnerability. This is because the higher the frequency of transmitting information, the sensitivity of signals increases, and their energy becomes weaker and weaker at the same time. At this time, the wiring system is more susceptible to …

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Detailed PCB design process

Detailed PCB design process

PCB was born in 1936, and the United States used this technology in military radios in 1943; since the mid-1950s, PCB technology has been widely used. At present, PCB has become the “mother of electronic products”, and its application has penetrated into almost every terminal field of the electronics industry, including computers, communications, consumer electronics, industrial control, …

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