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What is the difference between motherboard and PCB?

2018-12-18

We can say that the motherboard belongs to PCB, but PCB is not the main board, such as: front panel, key board, power board, switch board, memory board, module board, etc.

What PCB design software does Apple use?

2018-12-18

The PCB design software of Apple uses should be Mentor pads & Cadence

What is the purpose of the small hole in the prongs of power plugs?

2018-12-18

In the early times, the power plug has a small hole to fix, but now it's different; In fact, the purpose of the small hole in the prongs of power plugs is of heat dissipation, especially in the joint.

A multimeter is set for diode testing,what resistance value will it stop beeping

2018-12-17

As long as the resistence of diode is less than 30R, the multimeter will stop beeping.

How do I find the one burnt or leaky capacitor on a PCB?

2018-12-17

For burnt capacitor, we can find it easily from the appearance; For leaky capacitor, we can also measure the resistance of capacitor with a multimeter, which will show such a feature: Compared with the circuit, the resistance value is smaller.

What is an average temperature that melts a Sn60/Pb40 solder and solder componen

2018-12-17

The temperature of Reflow should be 210-230 degrees and welding time is 6-10 s. The temperature of Manual welding should generally be set in the range of 260-300 degrees. Meanwhile, welding time is generally not more than 3s.

Which socket outlet in the world has be best design? Why is this so?

2018-12-14

Best Design Type: Siemens series sockets.

What is the RO4350 PCB substrate made of?

2018-12-14

Unlike the common PCB, RO4350 PCB substrate is made of epoxy resinmaterial. That’s to say, there is no glass fiber in the middle of substrate. It is a ceramic substrate with high frequency material.

What is the difference between a schematic diagram and a PCB layout?

2018-12-14

PCB Layout is based on the signal connections and signal features of schematic as well as the features of functional modules.

How is the voltmeter and ammeter connected in a circuit?

2018-12-13

The voltmeter is connected in parallel in a circuit, while the ammeter is in series in a circuit.

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