PCB jumper – how to add jumpers to PCB layout

PCB jumper - how to add jumpers to PCB layout

PCB jumper wires are a common connection method in PCB design . The PCB jumper is set to connect the circuit components that are far away or cannot be directly connected in the circuit, and its function is very important. In this article, we’ll explore the role and application of jumpers in PCBs.

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    What is a PCB jumper

    A PCB jumper is a special circuit connection method, which connects the relevant circuits by thickening or widening a certain wire on the PCB board to achieve circuit connectivity. Jumpers are very common in PCB design and PCB layout, which can solve some common problems in circuit connections, such as:

    Solve the problem that the circuit between components cannot be connected;

    Solve the problem that the distance between components is too far to connect directly;

    Solve the problem that the component pin label is wrong and the connection method needs to be changed.

    What are the types of jumper

    According to the connection method and purpose of the jumper, PCB jumper can be divided into the following types:

    Copper wire jumper: copper wire jumper is to connect two components or two circuits by directly thickening or widening a certain wire on the PCB board. This method is relatively simple, but you need to pay attention to the layout and connection method to avoid affecting the normal operation of other circuits.

    Resistor jumper: The resistance jumper is to connect two components or two circuits by installing a certain resistance. This method can play a certain role in separating and stabilizing the signal, but you need to pay attention to the resistance value of the PCB resistor and the design of the circuit.

    Solder PCB jumper: The solder jumper is connected by adding or cutting the pins of the component to the PCB board and adding solder between the pins of the component. This method is relatively simple, but you need to pay attention to the quality and strength of the PCB soldering and welding, as well as the interference and influence with other circuits.

    PCB jumper: PCB jumper is connected by adding connection holes on the PCB board, which can be connected by wire or resistor. This method is more convenient and flexible, but you need to pay attention to the position and design of the connection holes on the PCB.

    What is the function of a PCB jumper

    What is the function of a PCB jumper​
    What is the function of a PCB jumper​

    The role of jumpers in PCB design and circuit layout is very important. Specifically, the functions of PCB jumper mainly include the following aspects:

    Connecting circuits: PCB jumper can connect various complex circuits, including chips, PCB resistors, capacitors and inductors.

    Separation function: In high-power circuits, the PCB jumper can play a separation role to avoid mutual interference of signals and improve the stability and performance of the circuit.

    Solve circuit layout problems: In PCB layout design, PCB jumper can solve problems such as the circuit connection between components, the distance between components is too far, and the labeling of component pins is wrong.

    Improve reliability: The use of PCB jumper can improve reliability and stability in circuit design and reduce failure rates.

    How to use the PCB jumper correctly

    How to use the PCB jumper correctly​
    How to use the PCB jumper

    Although the role of jumpers in PCB design and circuit layout is very important, if they are not used properly, they can also cause many problems. Therefore, you need to pay attention to the following points when using PCB jumpers:

    1. The length and connection method of the PCB jumper wire should be as concise and clear as possible, not long or curled.

    2. The position and width of the jumper should be reasonable, so as not to affect the normal operation of other circuits.

    3. The connection method of the PCB jumper wire should be properly grounded to ensure the normal operation of the circuit.

    4. The welding of the PCB jumper should be firm and reliable to ensure the stability and reliability of the circuit.

    Conclusion

    In a word, PCB jumper plays a very important role in PCB design and circuit layout, which can connect complex circuits, solve layout problems, improve circuit reliability and stability, etc. The correct use of jumpers is an important link in PCB design, and it is necessary to pay as much attention to details and problems as possible during the design and manufacturing process to ensure the normal use of jumpers and the stability of the circuit.

    FAQ-about PCB jumper

    Jumpers are a common connection method in PCB layout design. PCB jumpers can be used to connect circuit components that are far away or cannot be directly connected in the circuit.

    The role of jumpers in PCB design and circuit layout is very important, mainly including the following aspects:

    • Connect circuit
    • Play a separation role and reduce signal crosstalk
    • Improve circuit stability and reliability

    If the PCB jumper c is used improperly, it will cause many problems. Therefore, you need to pay attention to the following points when using jumpers:
    1. Try to avoid the length and connection method of the jumper wire being long or curled
    2. Reasonably arrange the position and width of the jumper
    3. The connection method of the jumper should be properly grounded
    4. Strong and reliable jumper welding

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