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How does self-powered sensor work? Where does it get energy to keep functioning?

2019-04-19

Actually, there are two various self-powered sensors: One is active sensor, the other is passive sensor.

Why is it difficult to transmit audio signals directly?

2019-04-18

So long as the audio signals convert into the voltage/ current signals or electromagnetic signals which can be transimitted.

What is the difference between relay and circuit breaker?

2019-04-18

The difference between relay and circuit breaker: Relay: Acted as accessory circuit but can’t allow large current; Circuit breaker: Used in main circuit system which can control not only single device but also multi device; Apart from that, wi

Which is more dangerous, current or voltage?

2019-04-18

It would be current; However, in fact, only both current and voltage up to a certain value can they hurt human beings;

What is ENEPIG PCB?

2019-04-17

The principle of ENEPIG: Compared to ENIG, there is one more layer palladium(Pd) between Nickel (Ni) and Gold (Au). As you probably know, deposition thickness of Ni is 120～240μin (about 3～6μm), Pd is 4～20μin( about 0.1～0.5μm) and Au is 1～4μin (about 0.02～

How do I check the defect in soldering in a PCB board?

2019-04-17

Found in the majority of checking the defect in soldering, manual and automatic system inspection methods remain immensely popular, such as the combination of manual optical inspecion and X-ray detection is the optimal method in terms of cheking soldering

How do I rework for PCB BGA?

2019-04-17

All BGA components come into their own when it comes to reworking where heating cycle of components and potential ESD times of reforming tin balls is a major consideration.

What is mixed signal integrated circuit design?

2019-04-16

Mixed signal integrated circuit refers to the circuit that includes both digital signal and analog signal, which demands the designer to use the CAD Tool with highly pretty profession and attention. (CAD: Computer-Aided Design)

What are the three main components on the PCB board?

2019-04-16

The three main components on the PCB board: 1.Passive components: Resistors & Capacitors; 2.Integrated circuit: IC; 3.Connectors.

Why are Printed Circuit Boards with odd number of layers almost non-existent?

2019-04-16

Apparently it refers to the processing cost. In general, the processing cost of odd number layers PCBs is virtually higher than the even number layers PCBs. Since the same inner layer processing cost but increasing the handling cost of outer layer.

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