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- Release on2019-12-20
- 1. Hard board: Hard board is a board made of PVC as raw material. PVC rigid board is a widely used product in industry, especially in chemical anti-corrosion industry....Read More>>
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- Release on2019-12-19
- The pcb circuit board design process is divided into six steps: netlist input, rule setting, component layout, wiring, inspection, copying, and output....Read More>>
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- Release on2019-12-18
- Signals are reflected because the traces on the PCB have a certain impedance, and the impedance on the wire does not match the impedance on the output end, which will cause signal reflection....Read More>>
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- Release on2019-12-17
- PCB Jigsaw puzzle are things that PCB factories often do:
The first is the problem of spell board,We know that the main problem of Jigsaw puzzle is to save production costs.For PCB panel width ≤260mm ～ 300mm, it varies according to different production lines....Read More>>
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- Release on2019-12-16
- PCB is also called Printed Circuit Board (Printed Circuit Board), which can realize the circuit connection and function realization between electronic components, and it is also an important part of power circuit design....Read More>>
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- Release on2019-12-13
- Reduce side etch and edge, increase etch coefficient:
Side etches can produce bumps. Generally, the longer the printed board stays in the etching solution, the more serious the side etching will be....Read More>>
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- Release on2019-12-12
- As the "mother of electronic products", PCB has a wide range of applications. With the intelligent development of the electronics industry, the number of PCB layers is increasing, th smaller and the thinner...Read More>>
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- Release on2019-12-11
- In RF devices, many different types of high-frequency circuits are required, including power amplifiers, and appropriate circuit materials are required....Read More>>
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- Release on2019-12-10
- The production of "plating" due to the problem of the chemical solution depends mainly on the pure tin finish formulation. The light penetrating ability is strong and the attack on the wet film during the electroplating process results in "plating"....Read More>>
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- Release on2019-12-09
- 1. The copper surface brushed out before screen printing must be clean to ensure good adhesion between the copper surface and the wet oil film....Read More>>
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- Release on2019-12-07
- The heat sink should be at a proper distance from other components on the same circuit board. It should be calculated by heat radiation so as not to make it unsuitable to increase the temperature....Read More>>
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- Release on2019-12-06
- Ceramic substrate refers to a special process board where copper foil is directly bonded to the surface (single-sided or double-sided) of alumina (Al2O3) or aluminum nitride (AlN) ceramic substrate at high temperature....Read More>>
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- Release on2019-12-05
- The reason for separating the digital / analog ground is because the digital circuit will generate noise in the power and ground when the high and low potentials are switched. The size of the noise is related to the speed and current of the signal....Read More>>
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- Release on2019-12-04
- The increased cost of PCBs due to EMC is usually due to the increase in the number of ground planes to enhance the shielding effect and the addition of ferrite bead, choke and other high-frequency harmonic suppression devices....Read More>>
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- Release on2019-12-03
- When the size of the circuit board is fixed, if you need to accommodate more functions in the design, it is often necessary to increase the trace dens......Read More>>
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- Release on2019-12-02
- 1. Can I add a ground wire between the differential signal lines? In the middle of the differential signal, the ground wire cannot be added. The most ......Read More>>
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- Release on2019-11-29
- When the signals or power supply between the PCBs are connected, for example, if there is power supply from the A board or the signal is sent to the B board, there must be an equal amount of current flowing from the ground plane back to the A board (this is Kirchoff current law)....Read More>>
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- Release on2019-11-28
- 1. How to solve the contradiction between manual wiring and automatic wiring of high-speed signals? At present, most of the automatic routers of stron......Read More>>
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- Release on2019-11-27
- The PCB circuit board is a necessary circuit board for equipment and electrical appliances, as well as a necessary carrier for software implementation......Read More>>
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- Release on2019-11-26
- Basically, it is right to isolate the modulo / digital ground. It should be noted that the signal trace should not cross the moat, and the return curr......Read More>>
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