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Solder joint with change-over switch

A technology for switching switches and soldering points, which is applied in the direction of reducing (such as printed electrical components, electrical connection printed components, crosstalk/noise/electromagnetic interference), which can solve the problem of large circuit board area, a large number of resistance jumpers, and signal interference. Problems such as signal interference can be reduced to achieve the effect of reducing PCB size, reducing the number of uses, and shortening the distance of signal traces

Pending Publication Date: 2021-03-26
CONVERTER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] like figure 2 As shown, the advantage that the LVDS transmission interface (CN1), the resistance elements (R1~R10), the VBO transmission interface (CN2), the capacitance elements (C1~C16) and the timing controller (IC101) can share a circuit board , but it must be used with complex switching resistor elements (R11~R30), which also results in the need to use a large number of resistor jumpers, the circuit board area is large, and the signal will be disturbed by noise.

Method used

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  • Solder joint with change-over switch
  • Solder joint with change-over switch
  • Solder joint with change-over switch

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Embodiment Construction

[0023] First, see Figure 3A ~ Figure 6 As shown, a preferred embodiment of a welding point with a toggle switch of the present invention includes: a printed circuit board 30 on which a first group of welding points 40, a second group of welding points 50 and a third group Welding points 60 , in this embodiment, the conduction distance (d) between the first group of welding points 40 and the second group of welding points 50 is 3-6 mils, but it is not limited thereto.

[0024] The invention is Figure 3A and Figure 3B As shown, the first embodiment is disclosed; Figure 4A , Figure 4B and Figure 4C As shown, the second embodiment is disclosed; as Figure 5A , Figure 5B and Figure 5CAs shown, the third embodiment is disclosed, and the common features of the three embodiments include: the first group of solder joints 40 has a group of trace layer-changing via holes 41 and a first group of soldered copper foil regions 42, The first group of soldering copper foil area...

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Abstract

The invention provides a welding point with a change-over switch. The solder joint is structurally characterized in that the change-over switch is formed by utilizing the design of a special SMD welding point and matching with an SMD solder paste coating area to replace a change-over resistor element, and the use number of electronic elements can be greatly reduced by utilizing the design of the special SMD welding point under the common consideration framework of the conventional electronic product. the size of a PCB is reduced, so that the product is lighter and thinner, the purpose of reducing the cost is achieved, meanwhile, due to the design of the special SMD welding points, the signal wiring distance can be greatly shortened, redundant fan-out wiring can be shortened, the antenna effect and noise interference signal quality formed by the fan-out wiring are avoided, and the signal quality is also improved.

Description

technical field [0001] The invention relates to a soldering point with a switching switch. Using the special soldering point design, the purpose of sharing signals can be achieved without adding a large number of switching resistance elements, and the noise interference between the shared signals can be completely cut off. Background technique [0002] The LVDS (Low-Voltage Differential Signaling) transmitter contains a current mode driver, which can provide a current of about 3.5mA for the transmission line of the differential combination, while the LVDS receiver is equipped with a 100Ω terminal resistor, which can correspond to the link LVDS receiver The transmission line impedance of the driver and the driver, and the data transmission speed of LVDS is limited to 655Mbit / s in the standard specification, which is suitable for pixel 2K (1920x1080) signals, and cooperates with Figure 1A As shown, complex resistance elements (R1~R10) are set between an LVDS transmission inter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05K1/11H05K1/02H05K1/16
CPCH05K1/111H05K1/0216H05K1/0228H05K1/16
Inventor 庄锦渊詹皓钢林威村刘纯汉
Owner CONVERTER TECH
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