Matching resistance selection principle: The sum of the matching resistance value and the output impedance of the driver is equal to the characteristic impedance of the transmission line. The output impedance of common CMOS and TTL drivers will vary with
Complete PCB Assembly (PCBA) Design GuidePCB Assembly GuidelinesPCBs, or printed circuit boards, are the unsung heroes of modern electronics. Most users have no idea how the components in the electronic devices they know and love work together. But for en
Design PCB stack layerHow to design circuit boards in ten stepsWhen designing the circuit board, sometimes it seems that the final design will be a long and arduous journey. Whether it is the basic knowledge ofnt cop micro -treatmeper and solder, or tryin
In PCB wiring, Stripline circuits can show a good balance between inductive and capacitive coupling, and the forward coupling energy is very small.
Many PCBS are now no longer single-function circuits, but a mixture of digital and analog circuits. Therefore, it is necessary to consider the problem of interference between them when wiring, especially the noise interference on the ground wire.
Through hole design rules for PCB1. Welded(1) Plated through holes (PLTH) (including through holes)(2) Non-plated through holes (NPTH)2. Not welded(1) Through-holes to be welded3. Non-plated through holes (NPTH) with and without padsThe designer must firs
High Speed PCB Signal Integrity Analysis and Design With the rapid innovation of integrated circuits and other related communication technologies, the frequency requirements for signal clocks that need to be equipped with various electronic devices co
PCB DesignFlexible Circuit Design Overview Examines the stress concentration properties of a design. The stress concentration properties are the sole cause of mechanical failure (i.e., cracked/broken conductors, torn insulation, etc.) in flex cir
Design Guidelines for Mixed Signal BoardsMixed-Signal Circuit Layout Basics When digital and analog circuits share the same components on the same board, the layout and routing of the circuit must be methodical.In mixed-signal PCB design, there are specia
RF circuit PCB design processing skillsSince the radio frequency (RF) circuit is a distributed parameter circuit, it is easy to produce skin effect and coupling effect in the actual work of the circuit, so in the actual PCB design, it will be found that t
n the process of PCB design, wiring generally has three levels: the first is the cloth, which is the most basic entry requirements of PCB design; The second is to meet the electrical performance, which is to measure whether a PCB board qualified standard,
High-frequency and high-speed PCB design 1. After the PCB design is completed, how to choose the PCB board?The choice of PCB board must strike a balance between meeting the design requirements, mass production and cost. Design requirements contain both el
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