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How does an LED produce more light with far less heat than incandescent bulbs?

2019-01-10

The LED is driven by DC with less energy consumption and no stroboscopic; While incandescent bulb is driven by AC so that it must work in strobe;

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How can we prevent a short circuit?

2019-01-10

In order to prevent a short circuit, we should pay more attention to from these three aspects: •Schematic design •PCB file design •Welding technology guarantee, no continuous tin electrodeposit.

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What is the smallest microprocessor in existence?

2019-01-10

In fact, Intel Quark microprocessor is the smallest one in existence with much smaller and consume less power.(Wikipedia)

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Can you describe some of the features found on most Microcontrollers?

2019-01-10

As we all know, microcontrollers are used for control applications, instrumentation, appliance control, etc, which are designed for embedded applications; while microprocessors are generally used in personal computers;

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Where created the first practical integrated circuits?

2019-01-09

On September 12, 1958, Jack Kilby, a newly employed engineer at Texas Instruments Inc. (TI) ( an American technology company ) created the first practical integrated circuit.

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What factors determine the actual lifespan of an electronic equipment?

2019-01-09

Main reason: The quality of circuit board and components. Since the mainly hardware of the electronic equipment consists of circuit board and components , which decides to the lifespan of an electronic equipment directly.

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How many lighten points can you put in one circuit?

2019-01-09

In order to make the SMT welding more convenient, the circuit board need to place three fiducial mark in the triangular position of the top and bottom side.

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What is the thermal shock effect on electronic components?

2019-01-08

Actually, there are at least two thermal shocks during the welding and assembly of electronic components, which affect the accuracy and stability of electronic components.

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How is a signal transmitted in a pcb trace?

2019-01-08

As we all know, the signal in a circuit board all correspond to the certain functions, which is also associated with the working state of the corresponding components.

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What is the heavy copper PCB?

2019-01-08

Generally, a layer of copper foil is bonded to the substrate of the PCB. And there are usually four kinds of copper foil thickness, such as 18 μ m, 35 μ m, 55 μ m and 70 μ m; However, some of them need up to be 3oz-10oz or even heavier. Thus these

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