Author: Grace

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Peak current and decoupling capacitors during PCB layout
ByGrace November 29, 2024November 26, 2024
The main reason for the peak current is: The T3 and T4 tubes of the output stage are turned on at the same time in the short design. In the process of the NAND gate switching from low output level to high output level, the negative jump of the input voltage generates a large reverse…
Read More Peak current and decoupling capacitors during PCB layout
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What is a printed circuit board? What are the functions of a printed circuit board?
ByGrace November 29, 2024November 26, 2024
Printed circuit boards (PCBs) are convenient thin sheets used to house interconnected electrical components in a simple, convenient and economical manner. They are used as a physical support for mounting and connecting different electrical components. PCBs are made of fiberglass, composite epoxy or any other composite material with a metal coated surface. They have an…
Read More What is a printed circuit board? What are the functions of a printed circuit board?
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Explanation of via cap oil and via opening
ByGrace November 29, 2024November 27, 2024
Simple Meaning of Nouns The via cover oil, ie the solder ring of the via, is covered with ink. Through-hole windowing: The through-hole (via) solder ring exposed (as exposed as a component pad) on the tin, generally can be used to debug the measurement signal, the disadvantage is likely to cause a short circuit. Via…
Read More Explanation of via cap oil and via opening
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Analysis on Selection and Application of P0 Port Pull – up Resistor of 51 Singlechip
ByGrace November 29, 2024November 27, 2024
As the I / O port output time, the output low 0 output high for the high configuration (not 5V, equivalent to the floating state, that is, P0 port can not really output high). Current is supplied to the load to which it is connected, so a resistor connected to VCC must be connected to…
Read More Analysis on Selection and Application of P0 Port Pull – up Resistor of 51 Singlechip
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Discussion on Electromagnetic Compatibility Design of SCM System from PCB Design to Software Processing
ByGrace November 29, 2024November 27, 2024
PCB design to software processing to introduce the handling of electromagnetic compatibility. First, the factors that affect EMC 1, the voltage: the higher the power supply voltage, means that the greater the voltage amplitude, the more emission, and low power supply voltage sensitivity. 2, frequency: high-frequency produce more emissions, periodic signals produce more emissions. In…
Read More Discussion on Electromagnetic Compatibility Design of SCM System from PCB Design to Software Processing
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How to improve the wiring efficiency in PCB design
ByGrace November 29, 2024November 27, 2024
The wiring is an extremely important part of the PCB design and it will directly affect the performance of the PCB board. In the PCB design process, layout engineers all have their own understanding of the layout, but all layout engineers are consistent in how to improve the efficiency of wiring, so that not only…
Read More How to improve the wiring efficiency in PCB design
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Why can’t I touch the board with my hand?
ByGrace November 28, 2024November 25, 2024
It is a common knowledge of electronics engineers that human hands cannot directly touch or touch a circuit board. Why? First, the harm of static electricity In different environments, the electrostatic voltage carried by the human body ranges from a few hundred volts to several tens of thousands of volts. Contact with electronic components (conductors)…
Read More Why can’t I touch the board with my hand?
uncategories | advanced circuits 4pcb | advanced circuits assembly | advanced circuits barebones | advanced circuits flex pcb | advanced circuits pcb | advanced circuits pcb artist | advanced circuits quote
Tell you how to make a good PCB board
ByGrace November 28, 2024November 25, 2024
Based on our past experience, I would like to talk about my views on the following aspects: To clarify design goals To receive a design task, first of all to clarify its design goals, is the ordinary PCB board high-frequency PCB board small signal processing PCB board or PCB with high frequency and small signal…
Read More Tell you how to make a good PCB board
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UV laser application in various PCB materials
ByGrace November 28, 2024November 25, 2024
Ultraviolet lasers are the best choice for a variety of PCB materials in many industrial applications, from the most basic circuit boards, circuit wiring, to advanced processes such as pocket-sized embedded chips. The variability of this material makes UV lasers the best choice for a wide range of PCB materials in many industrial applications, from…
Read More UV laser application in various PCB materials
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Precautions for correcting FPC film deformation related methods
ByGrace November 28, 2024November 25, 2024
The process of printing a printed circuit board from the light board to the display of the line pattern is a relatively complicated process of physical and chemical reactions. This article analyzes the final step, etching. Currently, typical processes for printed circuit board (PCB) processing use pattern plating. That is, a layer of lead-tin resist…
Read More Precautions for correcting FPC film deformation related methods
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Precautions for correcting FPC film deformation related methods
ByGrace November 28, 2024November 25, 2024
The circuit board is the carrier of electronic design. It is the place where all electronic components and circuits are summarized. Nowadays, there are more and more electronic products, more and more components, more and more complicated circuit design, and the most basic single. The panel can no longer be used universally. When the single-sided…
Read More Precautions for correcting FPC film deformation related methods
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Precautions for correcting FPC film deformation related methods
ByGrace November 28, 2024November 25, 2024
1, the splicing method: Applicable: the film with less dense lines and inconsistent deformation of the film layers; it is especially suitable for the deformation of the solder mask and multilayer power supply ground film; Not applicable: negative film with high wire density, line width and spacing less than 0.2mm; Note: When cutting, try to…
Read More Precautions for correcting FPC film deformation related methods
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What are the reasons for soldering blistering of circuit boards
ByGrace November 28, 2024November 25, 2024
PCB circuit board soldering and blistering means that the circuit board is separated from the board or copper foil in a high temperature environment (above 250 °C), so that the solder resist and the flow blocking effect are lost. The occurrence of solder mask blistering on the PCB circuit board not only affects the appearance…
Read More What are the reasons for soldering blistering of circuit boards
advanced circuits pcb | advanced assembly pcb | advanced circuit board | advanced circuits 4pcb | advanced circuits assembly | advanced circuits barebones | advanced circuits flex pcb
Introduction to PCB double-sided reflow process (SMT)
ByGrace November 28, 2024November 25, 2024
Let us first introduce the common holes in the PCB: through holes, blind holes, buried holes. The meaning and characteristics of these three holes. Via (VIA), a common hole used to turn on or connect copper foil traces between conductive patterns in different layers of a board. For example (such as blind holes, buried holes),…
Read More Introduction to PCB double-sided reflow process (SMT)
advanced pcb manufacturing | advanced circuits assembly | advanced circuits barebones | advanced circuits flex pcb | advanced circuits pcb | advanced circuits pcb artist | advanced circuits quote
Introduction to PCB double-sided reflow process (SMT)
ByGrace November 28, 2024November 25, 2024
Circuit board assembly technology, now popular in the industry is full-board reflow soldering (Reflow), this technology can be divided into single-panel reflow and double-panel reflow. Single-sided reflow is used less because double-sided reflow saves board space. Double-sided reflow requires two reflows. Because of the limitations of the process, some problems may occur. For example, when…
Read More Introduction to PCB double-sided reflow process (SMT)

Author: Grace

Peak current and decoupling capacitors during PCB layout

What is a printed circuit board? What are the functions of a printed circuit board?

Explanation of via cap oil and via opening

Analysis on Selection and Application of P0 Port Pull – up Resistor of 51 Singlechip

Discussion on Electromagnetic Compatibility Design of SCM System from PCB Design to Software Processing

How to improve the wiring efficiency in PCB design

Why can’t I touch the board with my hand?

Tell you how to make a good PCB board

UV laser application in various PCB materials

What are the reasons for soldering blistering of circuit boards

Introduction to PCB double-sided reflow process (SMT)

Introduction to PCB double-sided reflow process (SMT)

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