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In the field of electronic Radio Frequency Circuit Board Design technology, the characteristics of radio frequency circuits are different from ordinary low frequency circuits. The main reason is that under high frequency conditions, the characteristics of the circuit board schematic design are different from those under low frequency conditions. Therefore, it is necessary to use…
What is Electromagnetic Wave??? In electronics theory, when current flows through a conductor, a magnetic field is formed around the conductor; when an alternating current passes through the conductor, an alternating electromagnetic field is formed around the conductor, which is called electromagnetic wave. When the electromagnetic wave frequency is lower than 100khz, the electromagnetic wave…
Multilayer PC Board Impedance Design has been determined by PCB stack structure and it can redesign through reverse engineering printed circuit board schematic diagram and layout drawing; Common signal impedance types include single-ended 50 ohms, differential 100 ohms, single-ended radio frequency 50 ohms, etc. The impedance parameters can be calculated through the software Si9000. One…
What is difference between PCB Board Schematic & PCB Board Layout Design, the printed circuit board schematic diagram is a simple two-dimensional circuit design that shows the functionality and connectivity between different components. The PCB layout design is a three-dimensional layout, and the position of the components is marked after the circuit is guaranteed to…
Why We need decoupling Capacitor? Ever wondered what would happen if you jump over the decoupling capacitor in your PCB Layout design? Without decoupling capacitors, the on-board microcontroller will not work properly because voltage fluctuations will send it to power-down mode to reset it. Any attempt to obtain a reliable ADC conversion is futile, because…
What is Automotive Electromagnetic Compatibility? Electromagnetic compatibility refers to the ability of a device, equipment or system to operate well in the electromagnetic environment in which it is located, and does not produce any unbearable electromagnetic interference in its environment. Automotive electromagnetic compatibility refers to the ability of vehicles or parts or independent technical units…
Pulse Width Modulation (PWM) Schematic Designing, which can generate variable levels of power compared to other less efficient modulation methods. The principle of PWM is used in many applications, such as telecommunications, audio effects and lighting, and electronic devices that can generate PWM signals through a microcontroller. Let’s take a look at the electronic effects…
Printed Circuit Board Structural Designing plays an important role in the stability of electronic device performance, which will be improved by reverse engineering circuit board process; The working environment of electronic equipment is usually more complicated, and there is always more or less random vibration interference. When the environmental interference frequency is close to the…
Based on the characteristics of the Printed Circuit Board Supporting Structure, an analysis model for supporting layout topology optimization is established: using massless solid elements to simulate the supporting part; using the degree of freedom condensation technology to establish a sub-structure model of the PCB board and its components, thereby greatly reduce the amount of…
In the conceptual redesign Photodetector PCB Board Layout drawing and Schematic diagram stage, establish a three-dimensional finite element model of the Photodetector PCB Board, the modal parameters of the Photodetector PCB Board obtained under the condition of 4-point fixed support are studied. The analysis shows that the difference between the frequency of the 1st and…