Why can’t the signal line change holes multiple times in high-speed PCB design? Everyone must have come into contact with vias when designing PCBs, so everyone knows that vias have a great impact on the quality of PCB signals. Let me first introduce to you how to select vias when designing PCBs. 8/16±2mil 10/20±2mil 12/24±2mil…
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1 Introduction At the end of the 20th century, the wave of information revolution that emerged worldwide provided a golden opportunity for the breakthrough development of the automotive industry. The widespread application of information technology is the best way to solve the problems brought by automobiles, such as traffic congestion, traffic safety, environmental pollution, and…
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1 Introduction Waveform generators have been widely used in various fields such as communication, control, and measurement. Waveforms such as sawtooth waves, sine waves, and square waves are often used in circuit design and debugging. With the rapid development of electronic technology, digitalization is gradually becoming the development trend of the electronics industry. Companies are…
As product designs grow in complexity, integrated components such as ASSPs are needed to meet design requirements. Years ago, engineers would select individual components for processors, memory, and peripherals, then piece these elements together using discrete logic devices. Later, they would search catalogs of ASSP processing systems, trying to find the best combination to meet…
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…
LED has appeared in all aspects of life, such as radio and television, media, exhibitions, remote video interaction, office, conference, etc. Larger, thinner, clearer, high-density and small-pitch LED screens have become a major development trend, which means that higher requirements are placed on the PCB design of LED screens. Because a high-quality PCB design is…
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In the field of security surveillance, the stable operation of cameras is crucial to ensuring safety. Thermal design is the key link to ensure that cameras can work stably for a long time. The camera will generate a certain amount of heat when working. If the heat cannot be effectively dissipated, the temperature of the…
1 Introduction CCD (Charge Coupled Devices) is a new type of semiconductor device developed in the early 1970s. At present, CCD is widely used in many fields such as photographic materials, meteorology, aerospace, military, medical treatment and industrial detection as a photoelectric sensor due to its advantages of small size, light weight, low power consumption,…
Introduction The 21st century is a knowledge economy era dominated by the electronic information industry. A great change is taking place in the information field, and its leading force and decisive factor are microelectronic integrated circuits. The increasing maturity of silicon chip technology, especially deep submicron (DSM) and very deep submicron (VDSM) technology, has greatly…