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How do Over Voltage protection circuits work?

2019-01-21

Over Voltage protection which protect the device on the circuit when the voltage is too high;

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How do I check the SMD capacitor stat, died or good?

2019-01-21

Actually, you can try to use a multimeter to adjust it to the maximum resistance value, then using the probe to connect the two ends of the capacitor and observe the probe hand. If the probe hand reaches its maximum quickly and slowly returns to ze

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How do you know if a resistor is bad?

2019-01-18

If you want to know whether the resistor is bad or not, you can try to use the different sides of the probe pen to measure the resistance for twice.

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How can you reduce the power consumption of a desktop computer?

2019-01-18

In order to reduce the power consumption of a desktop computer, you can try to do from these two aspects: 1)You can choose that the display automatically enters a state of low power consumption; 2)Or hard disk and power supply can be enabled to

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What are the effects and advantages of aluminum coil for PCB drill entry?

2019-01-18

When it comes to the aluminum coil in a PCB drill entry, the main effects and advantages shown below: 1.To dissipate the heat; 2. To ensure the accuracy of hole location; 3. To gurantee the roughness of hole wall.

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What is the electrical conductivity of an N-type semiconductor?

2019-01-17

N-type semiconductor is uncharged actually. In other words, in N-type semiconductors, electrons are the majority carriers and holes are the minority carriers. (Wikipedia)

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Why is there a sound when some appliances are plugged in?

2019-01-17

The possible reason is that the sheet copper in the socket has poor contactwhich causes a sound occasionally. Apparently, it is so bad for the lifespan of our appliance.

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Would I get electrocuted if I touch high tension power lines when I'm suspended?

2019-01-17

Absolutely not. You won’t get electrocuted. Even if we stand on the same wire with our two feet, as long as our body doesn't touch another wire or conductor. we won’t get electrocuted.

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What methods do you use to stack or space apart 2 circuit boards?

2019-01-16

In fact, there are various methods for your reference if you need to stack two circuit board. For example, a:BTB(circuit board to circuit board ) b.BTW(circuit board to wire) c.WTW(wire to wire or FPC to FPC) d.Welding the two circuit boards

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What are the differences between SMPS and normal power supplies?

2019-01-16

SMPS, Switched-Mode Power Supply, which is a tube used for voltage regulation working in saturation and closing areas, or switch state;

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