Shenzhen/Guangxi/Changsha
Decoupling capacitors are capacitors installed at the power supply end of components in the circuit. This capacitor can provide a more stable power supply, and can also reduce the noise of the components coupled to the power supply end, which can indirectly reduce the impact of the noise of other components on this component. Decoupling …
Do you know how to place decoupling capacitors during PCB layout? Read More »
Decoupling capacitors are capacitors installed at the power supply end of components in the circuit. This capacitor can provide a more stable power supply, and can also reduce the noise coupled to the power supply end of the component, which can indirectly reduce the impact of the noise of this component on other components. Decoupling …
Do you know how to place decoupling capacitors during PCB layout? Read More »
To learn high-speed PCB design, you must first know what a transmission line is. Signals will reflect because the traces on the PCB have a certain impedance. If the impedance on the line does not match the impedance at the output end, it will cause signal reflection. There will be a delay in the transmission …
Basic knowledge of high-speed PCB design (essential): transmission line Read More »
Power integrity, referred to as PI, is to confirm whether the voltage and current of the power source and destination meet the requirements. At present, power integrity is still one of the biggest challenges in high-speed PCB design. Power integrity involves the chip level, chip package level, circuit board level and system level. Among them, …
PCB industry terms and definitions – Power Integrity (PI) Read More »
Printed circuit boards (PCBs) are used to carry electronic components and provide circuits to connect the components. From a structural point of view, PCBs are divided into single-sided, double-sided and multi-layer boards. Single-sided Single-sided is the most basic PCB, where the parts are concentrated on one side and the wires are concentrated on the other …
Can’t tell the difference between single-sided, double-sided and multi-layer PCB? Read More »
Differential signal VS single-ended signal Single-ended signal Single-ended signal is a simple and common way to transmit electrical signals from a transmitter to a receiver. Electrical signals are transmitted through voltage (usually a changing voltage) that is based on a fixed potential, usually a 0V node called “ground”. Differential signal Differential transmission is a signal …
On the basis of comprehensive consideration of signal quality, EMC, thermal design, DFM, DFT, structure, safety regulations and other requirements, the components are reasonably placed on the board. ——PCB layout Except for special requirements, all component pad routing must meet thermal design requirements. ——General principles of PCB routing It can be seen that in PCB …
Basic knowledge of PCB layout design (essential): thermal design requirements Read More »
PCB device layout is not a matter of arbitrariness. It has certain rules that everyone needs to follow. In addition to general requirements, some special devices will also have different layout requirements. Layout requirements for crimping devices 1) There shall be no components higher than 3mm around the surface of the bent/male and bent/female crimping …
In PCB design, do you want to know the layout requirements of some special devices? Read More »
As an excellent PCB design engineer, you need to master some necessary design concepts so that you can design a better board. Today, let’s learn about the “three properties” of standard PCB: manufacturability, testability, and reliability. Manufacturability of PCB Design for manufacturability (DFM) takes manufacturability and testability into consideration from the beginning of product development …
The “three properties” of PCB: manufacturability, testability, and reliability Read More »
In PCB silk screen design, it mainly includes: component silk screen, board name, version number, barcode silk screen, mounting hole positioning hole silk screen, board direction mark, anti-static mark, positioning identification point, etc. Today, we mainly learn about the requirements for component silk screen design. General requirements for silk screen design 1) In order to …
Basic knowledge of PCB design: Requirements for component silk screen design Read More »
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