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Why are the colors of audio circuit pc boards mostly green
Why
Why are the colors of audio circuit pc boards mostly green
2022-06-02
Usually the audio circuit pc board is green, in fact, the circuit board also has many colors, such as black, white, yellow, green, etc., why most of the audio circuit pc boards I see are green? Of course, there is another reason that green is the most common color, mainly because the use of green solder mask ink has the following advantages.
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Usually the audio circuit pc board is green, in fact, the circuit board also has many colors, such as black, white, yellow, green, etc., why most of the audio circuit pc boards I see are green? Of course, there is another reason that green is the most common color, mainly because the use of green solder mask ink has the following advantages.
Selection of PCB materials for audio circuit pc board manufacturers
Selection
Selection of PCB materials for audio circuit pc board manufacturers
2022-05-31
Audio circuit pc board manufacturers believe that FR4 epoxy glass fiber substrates are used for general electronic products, polyimide glass fiber substrates are used for high ambient temperature or flexible circuit boards, and polytetrafluoroethylene is required for high-frequency circuits. Vinyl fiberglass substrate; metal substrates should be used for electronic products with high heat dissipation requirements.
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Audio circuit pc board manufacturers believe that FR4 epoxy glass fiber substrates are used for general electronic products, polyimide glass fiber substrates are used for high ambient temperature or flexible circuit boards, and polytetrafluoroethylene is required for high-frequency circuits. Vinyl fiberglass substrate; metal substrates should be used for electronic products with high heat dissipation requirements.
What are the requirements for audio circuit pc board proofing
What
What are the requirements for audio circuit pc board proofing
2022-05-27
Neat appearance: When the audio circuit pc board is proofing, it needs to have a flat appearance, no burrs in the corners, and no blistering and delamination between the wires and the solder mask. Only in this way, the audio circuit pc board can ensure better welding effect, and also ensure that the audio circuit pc board produced by the manufacturer meets the appearance requirements of actual use.
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Neat appearance: When the audio circuit pc board is proofing, it needs to have a flat appearance, no burrs in the corners, and no blistering and delamination between the wires and the solder mask. Only in this way, the audio circuit pc board can ensure better welding effect, and also ensure that the audio circuit pc board produced by the manufacturer meets the appearance requirements of actual use.
Factors affecting audio circuit pc board
Factors
Factors affecting audio circuit pc board
2022-05-25
1.The materials used in the audio circuit pc board are different.Taking ordinary double-sided boards as an example, the plates generally have FR-4, CEM-3, etc., the plate thickness varies from 0.6mm to 3.0mm, and the copper thickness varies from 1Oz to 3Oz, resulting in huge differences in plate prices; in terms of solder mask ink, There is also a certain price difference between ordinary thermosetting oil and photosensitive green oil, so different materials lead to the diversity of prices.
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1.The materials used in the audio circuit pc board are different.Taking ordinary double-sided boards as an example, the plates generally have FR-4, CEM-3, etc., the plate thickness varies from 0.6mm to 3.0mm, and the copper thickness varies from 1Oz to 3Oz, resulting in huge differences in plate prices; in terms of solder mask ink, There is also a certain price difference between ordinary thermosetting oil and photosensitive green oil, so different materials lead to the diversity of prices.
Audio circuit pc board is broken repair method
Audio
Audio circuit pc board is broken repair method
2022-05-23
1. Reduce the power supply voltage of the audio part of the audio circuit pc board. For example, if the audio part voltage is positive and negative voltage 45V, use positive and negative 20V voltage to repair, which is safer.
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1. Reduce the power supply voltage of the audio part of the audio circuit pc board. For example, if the audio part voltage is positive and negative voltage 45V, use positive and negative 20V voltage to repair, which is safer.
Audio circuit pc board company analyzes circuit board repair steps
Audio
Audio circuit pc board company analyzes circuit board repair steps
2022-05-20
1. The audio circuit pc board company recommends looking at the circuit board to be repaired first and then measuring it, and first of all, it should be visually inspected. Observe with the aid of a magnifying glass if necessary.
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1. The audio circuit pc board company recommends looking at the circuit board to be repaired first and then measuring it, and first of all, it should be visually inspected. Observe with the aid of a magnifying glass if necessary.
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