How to repair circuit boards without drawings?

Modern electronic products are diverse, and the types of components are increasing day by day. In circuit maintenance, especially in the field of industrial circuit board maintenance, many components are unseen or even unheard of.
2022-02-08 15:54:035

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What is the essence of the ground wire GND in the circuit

Ask a simple but difficult circuit question: what is the nature of the ground wire GND in the circuit? In the process of PCB Layout, engineers will face different GND processing. Why is this? In the circuit principle design stage, in order to reduce the mutual
2021-10-09 10:46:423167

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How to extract gold from circuit boards

It is understood that in addition to 30% of inert oxides and 30% of plastic, the circuit board also contains 40% of metal, and the metal content has 0.1% of gold. One ton of waste mobile phone circuit boards can extract 0.034g of gold, 0.34g of silver, 25g of copper, etc.
2021-07-06 14:36:494087

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How to make a delicate single-sided circuit board in the development of a single-chip microcomputer project

How to make a delicate single-sided circuit board in the development of a single-chip microcomputer project.
2021-05-28 15:01:0710

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Several methods to find the ground wire in the circuit board data download

Electronic Enthusiast Network provides you with several methods to find the ground wire in the circuit board. Electronic data download, and other related circuit diagrams, source codes, courseware tutorials, Chinese materials, English materials, reference designs, user guides, solutions. And other information, I hope to help the majority of electronic engineers.
2021-04-04 08:46:137

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How does the PCB board find the GND ground wire through the electrolytic capacitor?

When repairing the circuit board, we sometimes need to measure the potential of a certain point on the board to determine what is wrong, and the selection of the reference point is generally to select the negative pole of the power supply, which is the GND ground wire. The ground wire has become a must-have knowledge, and I will summarize it below.
2020-10-31 20:35:112206

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How to Prevent Plating Voids in Circuit Boards

Plated through holes are holes in a printed circuit board (PCB) with copper plating. These holes allow circuits to pass from one side of the board through the copper in the holes to the other side of the board. For any printed circuit board design with two or more circuit layers, plated through holes form the electrical interconnection between the different layers. in order to
2020-12-18 19:51:062270

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Air conditioner circuit board components diagram_air conditioner circuit board always burns out

The air conditioner circuit board is not complicated, and the same component symbols and parameter values ​​as the schematic diagram are printed, so every component in the schematic diagram can be found on the circuit board. Some components and integrated blocks with larger volume and special shape can be seen at a glance from the actual circuit board. The attached picture is the physical picture of KFR-35GW/EQF circuit board.
2020-12-25 16:11:3714868

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What are the common methods of circuit board inspection

With the introduction of surface mount technology, the packaging density of circuit boards has increased rapidly. Therefore, even for low-density, general-number boards, automatic board detection is not only basic, but also economical. In complex circuit board inspection, two common methods are bed of needles testing and dual or flying probe testing.
2020-11-25 15:48:5912

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What are the advantages of FPC flexible circuit boards

In the electronic product processing industry, the circuit board has three branches: hard and soft. The traditional circuit board is generally a rigid circuit board, and a flexible circuit board is a printed circuit board with special functions, mainly used in mobile phones, notebook computers, PDAs , digital cameras, LCD monitors and other products.
2020-11-17 17:43:562305

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How to Clean Circuit Boards

Circuit boards run many processes in our equipment, and they often improve speed and performance. If the board is dirty, it can cause overheating and other problems. Thankfully, you don't need to be a technologist to get your device back to work. Read on for instructions on how to clean circuit boards
2020-10-23 19:18:3811967

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What is the role of anti-oxidation circuit board?

The technical solution adopted by the anti-oxidation circuit board is as follows: the anti-oxidation circuit board of the anti-oxidation circuit board includes a circuit board main body, an electronic component and a connecting part.
2020-07-23 16:25:472503

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The wiring process of the printed circuit board

For users who are new to printed circuit board design, the first question they face is what steps are included in the design work, where should one start, and what is the connection between the various steps? Therefore, before using Protel99SE to design a printed circuit board, it is necessary to understand the basic process, that is, the wiring process of the printed circuit board.
2020-08-16 11:55:361792

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How to reduce noise on a circuit board

When we were designing the circuit board, the circuit principle was well designed, or even said to be excellent. However, various noises would appear during the debugging process, the circuit board could not achieve the expected purpose, and sometimes even worse, it had to be rebuilt. layout board. So how can we reduce the noise of the circuit board? Let's analyze it for you:
2020-08-16 09:25:152901

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Common circuit board failure problems caused by moisture

1. Cause the circuit parameters in the circuit board to change and cause the circuit board to fail; 2. Cause the circuit in the circuit board to be in a short-circuit state, causing the circuit board to fail;
2020-08-07 10:18:323247

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Circuit board factory wiring design sequence

The order of wiring design on the printed board of the circuit board factory may be different. Before the circuit board factory wiring designer is ready to design the wiring, his circuit design rules should be clearly stipulated.
2020-06-04 17:59:10750

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The main points of RF circuit board design

Radio Frequency (RF) Circuit Board Design Although there are many theoretical uncertainties, there are many rules to follow in RF circuit board design.
2020-05-25 15:37:15529

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How to restore the circuit schematic diagram of the PCB circuit board

In the process of PCB copy board design, the circuit schematic diagram is often drawn according to the actual object. Therefore, mastering the method of inverting the physical diagram of the PCB copy board into the circuit schematic diagram will be the primary procedure for the design of the PCB copy board. What you share is also how the circuit board factory restores the schematic diagram of the circuit board according to the PCB circuit board.
2019-08-16 11:23:138860

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How to design the ground network of analog and digital circuits on the same printed circuit board

On the same printed circuit board, the ground network of the analog circuit and the digital circuit should be strictly separated. Likewise, the reference voltage is usually sensitive to fluctuations in the ground level, should be separated from the power supply line, directly connected to the input of the printed circuit board, and its ground line should be independently connected to a stable reference in the device ground end.
2020-04-14 14:58:15760

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The benefits of chip soldering on the circuit board_How to solder the chip on the circuit board

The chip is to be "installed" on the circuit board, or "soldering" to be precise. The chip is to be soldered on the circuit board, and the circuit board establishes the electrical connection between the chip and the chip through the "trace".
2020-03-03 17:14:223957

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How to control the soldering quality of PCB circuit boards

In PCBA processing, the welding quality of the circuit board has a great influence on the performance and appearance of the circuit board, so it is very important to control the welding quality of the PCB circuit board. The quality of PCB circuit board welding has a lot to do with circuit board design, process materials, welding process and other factors.
2020-03-03 11:46:322903

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How to copy the PCB circuit board step by step

PCB copying is also often referred to in the industry as circuit board copying, circuit board cloning, circuit board copying, PCB cloning, PCB reverse design or PCB reverse development.
2019-08-16 12:37:481528

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How to protect a simple circuit board

In order to seal a certain part of the circuit board or a small circuit board to prevent moisture and foreign matter from entering and affecting the performance of the circuit, many electronic hobbyists use wax or asphalt as a sealant to protect the circuit.
2019-08-16 14:17:462444

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How to clean the circuit board

Circuit board cleaning technology plays a very important role in PCB copying.
2019-09-02 10:06:175915

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What is the parallel design method of circuit board design?

The parallel design method utilizes newly developed software technology to accomplish efficient parallel circuit board design.
2019-09-02 10:01:38423

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How to convert units in the circuit board

Circuit board common unit conversion
2019-08-30 09:32:152279

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How to debug a new circuit board

For a newly designed circuit board, debugging often encounters some difficulties, especially when the board is relatively large and has many components.
2019-08-21 09:37:52243

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What is a circuit board, an introduction to the basics of circuit boards

Circuit boards, also known as printed circuit boards or PCBs, can be found in every electronic device in the world today. In fact, a circuit board is considered the foundation of an electronic device because it is where the various components are held in place and connected to each other to make the electronic device work as intended.
2019-07-23 19:11:1530467

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Anti-jamming Design of Printed Circuit Board

Depending on the pc board current, try increasing the width of the power traces and reducing the loop resistance. At the same time, the direction of the power line and the ground line is consistent with the direction of data transmission, which helps to enhance the anti-noise ability.
2019-07-20 02:26:071218

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How to quickly find out the ground wire on a circuit board

When analyzing or repairing the circuit board, it is often necessary to find the ground wire (ie GND) of the circuit board. Generally, we can quickly find the positive and negative pins of the power supply filter capacitor, integrated circuit, Zener diode and other components on the circuit board. Find out the ground wire on the board.
2019-07-31 16:41:2315725

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The purpose and method of finding the ground wire and test point on the circuit board

In the circuit schematic diagram, the ground wire is connected everywhere, so on the circuit board, the ground wire is also connected everywhere, so that after determining the ground wire in the circuit, the circuit schematic diagram can be easily drawn. Because as long as the grounding line of a component is determined, a grounding symbol can be drawn.
2019-07-30 16:59:007739

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What is the function of circuit board copy board and PCB copy board?

Circuit board copy board (PCB copy board), that is, under the premise of electronic products and circuit boards, reverse analysis technology is used to reverse analyze circuit boards, as well as original product PCB files and bill of materials (BOM) documents, schematic files And other technical documents and PCB silk screen production files are restored by 1:1
2019-07-19 22:05:238142

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How to design the ground system of the PCB printed circuit board

In the low-frequency circuit, the working frequency of the signal is less than 1MHz, the inductance between its wiring and the device has little influence, and the circulating current formed by the grounding circuit has a greater influence on the interference, so one point grounding should be used. When the operating frequency of the signal is greater than 10MHz, the impedance of the ground wire becomes very large. At this time, the ground wire should be reduced as much as possible.
2019-04-09 11:44:37395

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How to see the positive and negative poles of the circuit board

The shielded wire mesh is the ground wire. If there is a metal shield wire on the circuit board, its metal mesh wire is the ground wire in the circuit board. The negative plate ground wire of the largest electrolytic capacitor. Another: According to the color of your line, generally red is connected to the positive electrode, and yellow is connected to the negative electrode.
2019-06-10 16:56:2945503

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Factors Affecting Circuit Board Quality

In the process of circuit board soldering, the composition of the soldering material and the properties of the solder will directly affect the quality of the circuit board soldering. There are mainly: electrodes, tin for welding and other related welding materials. In addition, when welding, we should also pay attention to the chemical reaction during the welding process. The chemical reaction is an important part of the circuit board welding process. The main function is to link the circuit. The role of the plate channel.
2019-06-04 17:06:181902

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How to make a circuit board easily

You are interested in an electronic circuit and want to make it, and the circuit board used to connect the circuit and fix the components, you can buy a commercially available multi-hole circuit board, or you can make it yourself. Here are a few ways to make a circuit board by hand.
2019-05-22 16:31:0915861

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Flexible circuit board soldering

In recent years, flexible circuit boards (FPC) have become one of the fastest growing sub-sectors of the printed circuit board industry. According to the forecast of IDTechEx, by 2020, the market size of flexible circuit boards (FPC) will grow to 26.2 billion US dollars. How are flexible circuit boards soldered? What needs to be paid attention to?
2019-05-22 16:24:524324

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How to solder flexible circuit boards_Precautions for welding flexible circuit boards

This article mainly introduces the operation steps of the flexible circuit board welding method and the precautions for the welding of the flexible circuit board.
2019-05-21 14:55:053803

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Scope of application of flexible circuit boards_Types of flexible circuit boards

This article first introduces the concept of flexible circuit boards, secondly introduces the types of flexible circuit boards, and finally introduces the application of flexible circuit boards.
2019-05-21 14:50:26878

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General Layout Principles of Printed Circuit Boards_Printed Circuit Board Prospects

This article first introduces the general layout principles of printed circuit boards, followed by an in-depth analysis of the printed circuit board (PCB) industry, and finally the outlook for printed circuit boards.
2019-05-17 18:04:112018

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The principle and structure of circuit board production! Comparison of the five most commonly used methods of homemade circuit boards

After the circuit board design is completed, the next job is to make the circuit board, which is an important work in the small electronic production. The process of making a circuit board is the process of materializing the circuit board diagram designed according to the circuit schematic diagram. It can be said that making a circuit board that meets the requirements is half the success of a small production project.
2019-05-17 09:23:4616779

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How to find the ground wire of the circuit board

When repairing the circuit board, we sometimes need to measure the potential of a certain point on the board to determine what is wrong, and the selection of the reference point is generally to select the negative pole of the power supply, which is the GND ground wire. The ground wire has become a must-have knowledge. Below I have summarized several methods for your reference.
2019-05-14 16:49:038517

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Circuit Board Soldering FAQ

When the circuit board is soldered and then aging, it will be found that some circuit boards are short-circuited. In addition to the problems of circuit board design and electronic components, the following aspects can be used to find out that the tin-eating time when the circuit board is soldered is too short, resulting in poor welding. . The flux itself is not very active, which weakens the wettability of the solder and its expansion. The direction of the tin entering the circuit board is opposite to the direction of the tin wave, and the liquid surface oxide of the solder is too much to affect the welding.
2019-05-07 18:23:439451

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Differences between circuit boards and circuit boards and analysis of the advantages of PCB circuit boards

Many people understand that circuit boards and circuit boards are just different names, but they are essentially the same. For example, if you search for the keyword circuit board on the Internet, the circuit board will come out. Among us, there are many people who do not know the circuit board, and they will also feel puzzled. So what are the specific differences between the circuit board and the circuit board?
2019-05-06 16:09:3914263

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Introduction to the basic process of PCB circuit board design

1. Circuit board design quotation (circuit board production quotation is based on customer needs) 2. Arrange the design timetable 3, organize the required documents for design 4, circuit board design 5, circuit board design evaluation 6, circuit board production data generation and output 7, Circuit board production (according to customer demand)
2019-04-30 09:21:091672

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What are the maintenance methods of the circuit board

Circuit board repair technology is a relatively high-end and complex technology. Books and articles on circuit board repair are very scarce. If you want to learn circuit board repair technology, you must lay a solid foundation and be familiar with every circuit board. An electronic component, mastering the structure and working principle of each unit circuit in the circuit board, and combining with practice can master maintenance skills.
2019-04-30 16:35:045287

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circuit board composition

Printed circuit board, also known as printed circuit board, printed circuit board, referred to as printed board, English abbreviation PCB or PWB, with insulating board as the base material, cut to a certain size, with at least one conductive pattern attached to it, and holes , used to replace the chassis of the previous electronic components, and realize the
2019-04-30 11:13:055954

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What does the circuit board do

Printed circuit board (PCB) is an indispensable accessory in modern electronic equipment. All electronic equipment, whether it is large machinery or personal computers, communication base stations or mobile phones, household appliances or electronic toys, will use printed circuit boards. .
2019-04-30 11:11:0532313

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board type

Circuit boards make circuits miniaturized and intuitive, and appear in almost every electronic device. Its main function is to provide the mutual electrical connection of the various parts above. How many types of circuit boards are there? The following small series will talk about the types of circuit boards.
2019-04-30 11:08:383765

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How to Test for Circuit Board Failures

This article introduces in detail the method of checking the circuit board failure, and also introduces the maintenance method of the circuit board failure phenomenon when it is good or bad.
2019-04-25 15:48:488922

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What does circuit board copy board mean?

Circuit board copying, that is, on the premise of existing electronic products and circuit boards, reverse R&D technology is used to reversely analyze the circuit board, and the original product PCB files, bill of materials (BOM) files, schematic diagrams Technical documents such as documents and PCB silk screen production documents are carried out 1:1
2019-04-24 16:51:156696

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How to detect short circuit on circuit board

For electronic engineers, the production of circuit boards is a necessary step, but the short circuit of circuit boards is a relatively easy problem in the process of circuit board production. A short circuit may cause the components to burn out and cause the system to fall short, so we must pay attention. Next, the president will analyze for you, what is the main reason for the short circuit on the circuit board?
2019-04-24 15:41:0422659

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How to detect if the circuit board is not powered on

Solution for the circuit board not powered on: In the case that the circuit board is not powered on, we can first use a multimeter to check the circuit in the circuit board to see if the circuit is disconnected, and then continue to test. When replacing the circuit board, do not directly replace the good circuit board. Before replacing the circuit board, it is necessary to determine whether there is a short circuit in the circuit board test panel. If there is a short circuit, it cannot be replaced directly, otherwise the replaced circuit board will be burned out immediately.
2019-04-24 15:38:3317857

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Circuit Board Soldering Video Tutorial

With the acceleration of industrialization, circuit boards are used in many fields. When it comes to this, we have to mention soldering circuit boards. What are the techniques for soldering circuit boards? Today, we will go through the following content to learn about the introduction of soldering circuit board skills.
2019-04-23 14:58:5431449

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Integrated circuit board production process

Printed circuit boards. Print the drawn circuit board with transfer paper, pay attention to the slippery side facing you, generally print two circuit boards, that is, print two circuit boards on one sheet of paper. Choose the best printed circuit board among them.
2019-04-22 15:06:0318066

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What does circuit board copy board mean?

Circuit board copying, that is, on the premise of existing electronic products and circuit boards, reverse R&D technology is used to reversely analyze the circuit board, and the original product PCB files, bill of materials (BOM) files, schematic diagrams Technical documents such as documents and PCB silk screen production documents are carried out 1:1
2019-04-19 15:14:096258

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PCB circuit board maintenance experience

Almost all PCB circuit board repairs do not have drawing materials, so many people are skeptical about circuit board maintenance. Although various circuit boards are different, the constant is that each circuit board is composed of various integrated blocks, resistors, capacitors. and other devices, so the damage to the circuit board must be one of them
2019-03-28 14:04:0311976

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Circuit board production case sharing

After the circuit board design is completed, the next job is to make the circuit board, which is an important work in the small electronic production. The process of making a circuit board is the process of materializing the circuit board diagram designed according to the circuit schematic diagram. It can be said that making a circuit board that meets the requirements is half the success of a small production project.
2018-09-20 18:26:421759

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How can I repair a damaged circuit board?

Circuit board inspection is the process of finding, determining and correcting the faults of each electronic component on the circuit board. In fact, the entire testing process is a thinking process and a testing process that provides logical reasoning clues. Therefore, testing engineers must gradually accumulate experience and continuously improve the level during the maintenance, testing, and repair of circuit boards.
2017-12-02 13:54:0125104

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Several conditions that the circuit board design should have

The application in circuit board design is that the width of the trace can be calculated according to the current flowing in a certain area, which is especially important for voltage traces and GND traces. In addition, it can be used as a basis to design connections. Size and number of holes. 3. List of electrical networks for circuit boards
2018-05-07 17:15:1639065

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How to remove the double-sided circuit board_Double-sided circuit board components desoldering

This article introduces the disassembly methods of single-sided printed circuit boards, double-sided printed circuit boards and multi-sided printed circuit boards, and also introduces the detailed steps of IC disassembly on double-sided printed circuit boards.
2018-05-03 11:34:3728549

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How to see the double-sided circuit board_How to distinguish the front and back of the circuit board

This paper first introduces the process flow of double-sided circuit boards, and then expounds the difference between single-sided circuit boards and double-sided circuit boards.
2018-05-03 11:17:0228753

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Why is it called a printed circuit board? The introduction of the printed circuit board

This article first expounds why it is called printed circuit board and the source and development of printed circuit board, then introduces the advantages and production process of printed circuit board, and finally introduces the application and future development trend of printed circuit board in various downstream fields .
2018-05-03 10:16:294880

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Quality requirements of printed circuit boards_Principle of printed circuit boards

This paper first expounds the manufacturing principle of printed circuit boards, secondly introduces the basic requirements of printed circuit board quality control and printed circuit board quality certification, and finally introduces the requirements of printed circuit board design quality.
2018-05-03 09:59:122930

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Summary of basic knowledge points of printed circuit boards_Printed circuit board production process

This article first introduces the concept and classification of printed circuit boards, followed by the characteristics and functions of printed circuit boards, and finally introduces the design of printed circuit boards and the production process of printed circuit boards in detail.
2018-05-03 09:09:483824

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What is a flexible circuit board_Can the flexible circuit board be repaired

This article mainly introduces the flexible circuit board. First, it introduces the characteristics, advantages and disadvantages of the flexible circuit board. Second, it introduces the types of flexible circuit boards. Finally, it explains whether the flexible circuit board can be repaired. Follow the editor for details. Find out.
2018-05-02 17:59:2721095

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Why is the circuit board green_Introduction to the components on the circuit board

This article begins by introducing the definition of circuit boards and the classification of circuit boards, followed by expounding the structure of circuit boards and the working principle of circuit boards, and finally analyzing why the circuit boards are green and expounding the introduction diagram of components on the circuit boards.
2018-03-19 09:07:26103332

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Detailed explanation of circuit board cleaning technology _ how to clean the circuit board _ circuit board cleaning method

The names of circuit boards are: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, ultra-thin circuit board Thin circuit boards, printed (copper etching technology) circuit boards, etc.
2018-02-27 15:48:4162140

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Circuit board principle_circuit board structure

Circuit board (Printed Circuit Board, PCB for short), also known as circuit board, PCB board, aluminum substrate, high-frequency board, ultra-thin circuit board, ultra-thin circuit board, printed (copper etching technology) circuit board, etc., is an important Electronic components, which are supports for electronic components
2017-11-30 16:57:1627563

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How to remove the integrated circuit block on the circuit board

How to remove the integrated circuit block on the circuit board
2017-02-14 00:33:5413

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Methods and Skills in Circuit Board Repair

Methods and Skills in Circuit Board Repair
2017-01-24 14:35:4922

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Summary of circuit board design and production

Summary of circuit board design and production
2017-01-24 14:35:4916

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RF Circuit Board Design Tips

RF Circuit Board Design Tips
2017-01-28 21:19:127

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High-speed circuit board design technology

High-speed circuit board design technology
2016-12-17 13:23:0016

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How to remove the integrated circuit block on the circuit board

How to remove the integrated circuit block on the circuit board
2016-12-11 19:58:0322

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Getting Started with Circuit Boards (Repair)

Getting Started with Circuit Boards (Repair)
2016-12-11 17:24:3481

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[Skill sharing] PCB circuit board heat dissipation design skills

Overheating of the device will cause the device to fail, and the reliability of the electronic device will decrease. Therefore, the heat dissipation of the PCB circuit board is a very important link. So what are the heat dissipation skills of the PCB circuit board? Let's discuss it together.
2016-11-10 01:24:11715

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Ground Wire Design in Printed Circuit Boards

Interested friends can take a look at the ground wire design in the printed circuit board.
2016-08-09 11:38:249

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Circuit board soldering guide ppt

Board Development Board Soldering Guide! ! ! Board Development Board Soldering Guide! ! ! Board Development Board Soldering Guide! ! !
2016-06-23 17:14:5340

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How to Repair No Drawing Circuit Board

How to repair circuit boards without drawings.
2016-04-14 22:11:4578

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Analog Relay Board Design Example

Analog Relay circuit board design example, this is not a course, this is circuit board design
2016-01-05 22:20:209

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Circuit Board Design Internship

Internships in circuit board design, from board to program to report. Very complete.
2015-12-31 22:34:0543

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Ground wire design of PCB board

The ground wire design of the PCB board, the ground wire design of the PCB board, and the ground wire design of the PCB board.
2015-12-25 21:56:3815

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Methods and skills in circuit board repair

With the rapid development of electronic products, circuit board repair is becoming more and more common. This paper presents a method of repairing skills in PCB circuit boards.
2011-12-23 16:29:0529915

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What does GND_GND mean

This content introduces what GND is and what GND means. GND (Ground) on the circuit diagram and on the circuit board represents the ground wire or 0 wire. GND means the common terminal
2011-12-09 11:48:12257050

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Cleaning technology of circuit board in pcb copy board

Cleaning technology of circuit boards in pcb copy boards At present, the new generation of circuit board cleaning technologies mainly include the following four: 1. Semi-water cleaning technology Semi-water cleaning mainly uses organic solvents and deionized water, plus a certain amount of Active agent and additive composition
2011-11-08 16:57:5255

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Manual circuit board testing principle

The manual circuit board test fixture refers to: apply control signals and input signals to the circuit board under test through the needle bed, manual test fixture, printed board pins, and input/output interfaces, and read the output of the circuit board under test in real time. signal, through a series of data analysis
2011-06-20 16:59:412194

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A brief introduction to ground wire design technology in printed circuit boards

A brief introduction to the ground wire design technology in the printed circuit board At present, the printed circuit board is still the main assembly method for electronic equipment used in various electronic equipment and systems. Practice has proved that even if the circuit original
2010-03-08 09:19:411679

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Testability Technology in Circuit Board Modification Design

Testability technology in circuit board modification design The definition of circuit board testability can be briefly explained as: circuit board test engineers should use the simplest method possible to test the characteristics of a certain component to determine
2010-01-23 11:22:50324

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Comparison of Manual Design and Automatic Design in Printed Circuit Board Design

Comparison of manual design and automatic design in printed circuit board design The automatic method is used to develop printed circuit board design and generate wiring diagrams, and to what extent, depends on
2009-12-31 08:58:25303

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Board Information Report in Protel DXP

The circuit board information report in Protel DXP The circuit board information report in Protel DXP provides complete information of the PCB board, including the size of the circuit board, the pads on the circuit board, the number of vias, and the component numbers of the circuit board.
2009-11-27 10:26:211495

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Multilayer circuit board

Multilayer circuit board Multilayer or multi-layer printed circuit board is a circuit board composed of two or more conductive layers (copper layers) superimposed on each other. The copper layers are bonded together by a resin layer (prepreg)
2009-11-19 09:44:30430

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Reasonable setting of printed circuit board power and ground wires

Proper settings for printed circuit board power and ground traces Power traces should be wide enough to ensure low resistance and low inductance, however, capacitive coupling will increase with width. On the same printed circuit board, analog electrical
2009-11-17 13:55:501222

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Introduction to Multilayer Circuit Boards

Introduction to multi-layer circuit board A multi-layer or multi-layer printed circuit board is a circuit board composed of two or more conductive layers (copper layers) superimposed on each other. The copper layer is adhered by the resin layer (prepreg)
2009-11-17 08:58:34437

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Basic Principles of Printed Circuit Board Design

Basic principles of printed circuit board design 1. The design of the printed circuit board starts from determining the size of the board.
2009-11-17 08:41:22333

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A printed circuit board

Printed Circuit Board Abbreviation: PCB Full English name of printed circuit board: Printed Circuit Board (Printed Circuit Board)
2009-09-30 09:12:31718

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Principles of Designing Circuit Boards with PROTEL DXP

Principles of circuit board design with PROTEL DXP The general principles of circuit board design include: board selection, board size, component layout, wiring, pads, padding, jumpers, etc.
2009-03-25 08:28:11826

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Design Fundamentals of Printed Circuit Boards

The design basics of printed circuit boards The circuit design ideas of electronic designers must eventually be implemented into entities, that is, printed circuit boards. The base material and selection of the printed circuit board, the physical characteristics of the elements that make up the circuit, such as vias, slots,
2009-03-08 10:35:431037

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Printed Circuit Board Design Specifications

Printed circuit board design specifications: standardize the process design of printed circuit boards, meet the requirements of the manufacturability design of printed circuit boards, provide printed circuit board process design guidelines for hardware designers, and review printed circuit board manufacturability for process personnel.
2008-12-28 17:00:4557

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Guide to the latest international specifications for circuit boards

Guide to the latest international specifications for circuit boards Guide to the latest international specifications for circuit boards
2006-04-16 21:15:02546

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