Author: Grace

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Six methods of making your own PCB
ByGrace December 31, 2024December 30, 2024
Method 1 of making your own PCB: Method 2 for making your own PCB: There are many ways to make printed circuit boards in amateur conditions, but they are either time-consuming, complicated in “process”, or of poor quality. My method of making printed circuit boards is one of the best comprehensive methods, as follows: Method…
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Key points and related guidelines for designing PCBs using high-speed FPGAs
ByGrace December 31, 2024December 30, 2024
In circuit board design, in order to minimize crosstalk, the routing of microstrip and stripline can follow several guidelines. For dual-strip layouts, the routing is performed on two inner layers, and there is a voltage reference plane on both sides. At this time, it is best to use orthogonal routing technology for all adjacent layer…
Read More Key points and related guidelines for designing PCBs using high-speed FPGAs
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Methods for making circuit boards under amateur conditions
ByGrace December 31, 2024December 28, 2024
Circuit boards are the carriers of electronic circuits. Any circuit design needs to be installed on a circuit board to realize its function. Processing circuit boards is the most headache for amateur electronics enthusiasts. It is often the case that the circuit is designed in half a day, but it takes several days to process…
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Electronic inkjet printing technology promotes the development of PCB
ByGrace December 31, 2024December 30, 2024
From the current and future application and development prospects, the application of inkjet printing technology of fully printed electronics in PCB is mainly reflected in the following three aspects: application in pattern transfer; application in embedded passive components; application in fully printed electronics (including packaging) that directly forms lines and connections. These applications will bring…
Read More Electronic inkjet printing technology promotes the development of PCB
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Basic design methods and principle requirements for printed circuit boards
ByGrace December 31, 2024December 28, 2024
For an instrument with excellent performance, in addition to selecting high-quality components and reasonable circuits, the correct structural design of the component layout and electrical connection direction of the printed circuit board is a key issue that determines whether the instrument can work reliably. For circuits with the same components and parameters, different results may…
Read More Basic design methods and principle requirements for printed circuit boards
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Research on Protel99 SE High-Frequency PCB Design
ByGrace December 31, 2024December 30, 2024
With the advancement of electronic technology, the complexity and application scope of PCB (printed circuit board) have developed rapidly. Designers engaged in high-frequency PCB must have the corresponding basic theoretical knowledge and rich experience in high-frequency PCB production. In other words, whether it is the drawing of the schematic diagram or the design of the…
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Suppressing the source of electromagnetic interference in electronic equipment
ByGrace December 31, 2024December 30, 2024
Electromagnetic interference is widely present in various types of electronic and electrical equipment. Various electronic and electrical equipment will more or less emit electromagnetic waves when working, which will interfere with the normal operation of the entire equipment. In the design of electronic products, due to insufficient consideration of electromagnetic compatibility, some electrical and electronic…
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Basic methods to minimize RF effects during PCB interconnect design
ByGrace December 31, 2024December 31, 2024
The interconnection of the circuit board system includes three types of interconnection: chip to circuit board, interconnection within the PCB board, and between the PCB and external devices. In RF design, the electromagnetic characteristics at the interconnection point are one of the main problems faced by engineering design. This article introduces various techniques for the…
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Revolutionary Technology in Circuit Board Design: Concurrent Design Method
ByGrace December 31, 2024December 30, 2024
Efficient parallel circuit board design can be accomplished using newly developed software technologies. This new technology enables multiple designers, multiple processes and different types of tools to work simultaneously on the same design database, significantly improving design productivity. Unlike the traditional method of dividing the design into several parts and completing each part independently, this…
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General principles of PCB design
ByGrace December 31, 2024December 30, 2024
General principles of PCB design Content: Printed circuit board (PCB) is the support for circuit elements and devices in electronic products. It provides electrical connections between circuit elements and devices. With the rapid development of electronic technology, the density of PCB is getting higher and higher. The quality of PCB design has a great impact…
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High-speed PCB design
ByGrace December 31, 2024December 28, 2024
(I) Challenges faced by electronic system design With the large-scale increase in system design complexity and integration, electronic system designers are engaged in circuit design above 100MHZ, and the operating frequency of the bus has reached or exceeded 50MHZ, and some even exceed 100MHZ. Currently, about 50% of the designs have a clock frequency exceeding…
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Talk about impedance matching and 0 ohm resistors in embedded system PCB design
ByGrace December 31, 2024December 30, 2024
1.Impedance matching Impedance matching refers to a suitable matching method between a signal source or transmission line and a load. According to the access method, impedance matching can be divided into two types: serial and parallel; according to the signal source frequency, impedance matching can be divided into low frequency and high frequency. (1) Serial…
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Circuit board debugging method
ByGrace December 31, 2024December 28, 2024
For the new PCB board that has just been brought back, we must first roughly observe whether there are any problems on the board, such as whether there are obvious cracks, short circuits, open circuits, etc. If necessary, you can check whether the resistance between the power supply and the ground wire is large enough….
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PCB wiring skills to reduce signal coupling during RF product design
ByGrace December 31, 2024December 30, 2024
A wave of demand for Bluetooth devices, cordless phones and cellular phones is prompting Chinese electronic engineers to pay more and more attention to RF circuit design skills. The design of RF circuit boards is the most troublesome part for design engineers. If you want to succeed at the first time, careful planning and attention…
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Selection of magnetic beads in PCB circuit design
ByGrace December 31, 2024December 28, 2024
Reasons for using chip magnetic beads and chip inductors: Whether to use chip magnetic beads or chip inductors mainly depends on the application. Chip inductors are needed in resonant circuits. When it is necessary to eliminate unwanted EMI noise, using chip magnetic beads is the best choice. 1.The unit of magnetic beads is ohm, not…
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