Author: Grace

advanced pcb manufacturing | additive manufacturing pcb | additive pcb | additive pcb manufacturing | advanced assembly pcb | advanced circuit board | advanced circuits 4pcb | advanced circuits assembly | advanced circuits barebones | advanced circuits flex pcb | advanced circuits pcb | advanced circuits pcb artist | advanced circuits quote
Basic knowledge of EMC theory – grounding design
ByGrace December 28, 2024December 26, 2024
Grounding is one of the important means to suppress electromagnetic interference and improve the electromagnetic compatibility of electronic equipment. Correct grounding can not only suppress the influence of interference, but also suppress the interference radiated by the equipment; on the contrary, incorrect grounding will introduce serious interference and even make the electronic equipment unable to…
Read More Basic knowledge of EMC theory – grounding design
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SMT equipment management
ByGrace December 28, 2024December 27, 2024
(1) Talking about efficiency must start with management Among SNIT equipment, the SMT machine is recognized as the most complex equipment. With the rapid development of assembly technology, its complexity will continue to increase. At the same time, since the cost of the SMT machine accounts for a considerable proportion of the entire SMT processing,…
Read More SMT equipment management
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How to reduce the noise of the circuit board
ByGrace December 28, 2024December 27, 2024
When we design the circuit board, the circuit principle is well designed, even excellent. However, various noises will appear during the debugging process, and the circuit board cannot achieve the expected purpose. Sometimes, even worse, the board has to be re-layed (although I have not encountered it, but I have encountered more than one or…
Read More How to reduce the noise of the circuit board
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What is hardware design?
ByGrace December 28, 2024December 26, 2024
My understanding: Hardware design is to complete hardware products (note: products, not development boards) that meet the requirements of PRS (Product Requirement Specification) and COGS (Cost of Goods Sale) within the specified time using the current mature chip solutions or technologies in the industry, including functions, performance, power supply, power consumption, heat dissipation, noise, signal…
Read More What is hardware design?
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Brief Introduction to PCB Surface Treatment Process
ByGrace December 28, 2024December 27, 2024
The general surface treatment of PCB includes tin spraying, OSP, immersion gold, etc. The “surface” here refers to the connection points on the PCB that provide electrical connections between electronic components or other systems and the circuits of the PCB, such as pads or contact connections. Bare copper itself has good solderability, but it is…
Read More Brief Introduction to PCB Surface Treatment Process
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How to solve the EMI problem in multi-layer PCB design?
ByGrace December 28, 2024December 26, 2024
Power bus Reasonably placing capacitors of appropriate capacity near the power pins of IC can make the jump of IC output voltage faster. However, the problem does not end there. Due to the limited frequency response characteristics of capacitors, capacitors cannot generate the harmonic power required to drive IC output cleanly over the full frequency…
Read More How to solve the EMI problem in multi-layer PCB design?
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Digital ground and analog ground of stacking
ByGrace December 28, 2024December 26, 2024
1.Digital ground and analog ground Let me quote Zhou Wei’s article again: All electrical equipment with voltage level as working characteristic needs a reference, that is to say, the voltage level is relative to this reference, and this reference is 0v in most cases. In the end, everyone agreed to call this 0v reference “ground”….
Read More Digital ground and analog ground of stacking
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How to solve the EMI problem in multi-layer PCB design?
ByGrace December 28, 2024December 26, 2024
Placing capacitors of appropriate capacity reasonably near the power pins of IC can make the jump of IC output voltage faster. However, the problem does not end there. Due to the limited frequency response characteristics of capacitors, capacitors cannot generate the harmonic power required to drive IC output cleanly over the full frequency band. In…
Read More How to solve the EMI problem in multi-layer PCB design?
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Analysis of signal integrity in high-speed digital PCB design
ByGrace December 28, 2024December 26, 2024
With the increase in the output switching speed of integrated circuits and the increase in the density of PCB boards, signal integrity has become one of the issues that must be concerned about in high-speed digital PCB design. Factors such as the parameters of components and PCB boards, the layout of components on PCB boards,…
Read More Analysis of signal integrity in high-speed digital PCB design
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Times are changing, but the golden rules of PCB design will not change
ByGrace December 27, 2024December 25, 2024
The following content of this article introduces the ten most effective design rules that electronic design engineers should keep in mind and practice when using design software for PCB layout design and commercial manufacturing. Engineers do not need to implement these rules in order of time or relative importance, just following them all can greatly…
Read More Times are changing, but the golden rules of PCB design will not change
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The difference between parallel and serial and the system synchronization method of parallel communication
ByGrace December 27, 2024December 25, 2024
The parallel signals and serial signals referred to in this article include the transmission (communication) method, the interface type, and the protocol characteristics of the data itself, signals, protocols, buses and interfaces. If you want to know the difference between signals, protocols, buses and interfaces, you can read the previous article: [size=1em] A brief history…
Read More The difference between parallel and serial and the system synchronization method of parallel communication
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Sources, hazards and protection measures of surges
ByGrace December 27, 2024December 25, 2024
What is a surge? Surges are called transient overcurrents, which are short-term current and voltage fluctuations in circuits, usually lasting about one millionth of a second in the circuit. A voltage fluctuation of 5,000 or 10,000 volts that lasts for a moment (one millionth of a second) in a 220-volt circuit system is a surge…
Read More Sources, hazards and protection measures of surges
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Mechanical drilling of micro-hole processing technology for composite materials of PCB printed circuit boards
ByGrace December 27, 2024December 25, 2024
With the rapid development of electronic technology, electronic products tend to be miniaturized, complex, and more and more complete in functions. Therefore, for PCB printed circuit boards, they have also developed from the original single-sided board to double-sided boards and multi-layer boards. High precision, high density, high reliability, and miniaturization have become the general trend…
Read More Mechanical drilling of micro-hole processing technology for composite materials of PCB printed circuit boards
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The difference between PCB immersion gold process and gold plating process
ByGrace December 27, 2024December 25, 2024
The difference between immersion gold board and gold-plated boardIn the actual trial process, 90% of the gold boards can be replaced by immersion gold board instead of gold-plated board. The poor weldability of gold-plated board is its fatal shortcoming. In the process of use, because of the low conductivity of gold, it is widely used…
Read More The difference between PCB immersion gold process and gold plating process
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PCB copper coating knowledge must know
ByGrace December 27, 2024December 25, 2024
Copper coating is a common operation, which is to cover the area without wiring on the circuit board with copper film. This can enhance the anti-interference performance of the circuit board. The so-called copper coating is to use the idle space on the PCB as the reference surface and then fill it with solid copper….
Read More PCB copper coating knowledge must know

Author: Grace

Basic knowledge of EMC theory – grounding design

SMT equipment management

How to reduce the noise of the circuit board

What is hardware design?

Brief Introduction to PCB Surface Treatment Process

How to solve the EMI problem in multi-layer PCB design?

Digital ground and analog ground of stacking

How to solve the EMI problem in multi-layer PCB design?

Analysis of signal integrity in high-speed digital PCB design

Times are changing, but the golden rules of PCB design will not change

The difference between parallel and serial and the system synchronization method of parallel communication

Sources, hazards and protection measures of surges

Mechanical drilling of micro-hole processing technology for composite materials of PCB printed circuit boards

The difference between PCB immersion gold process and gold plating process

PCB copper coating knowledge must know

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