Shenzhen Grande Electronic Linkedin Page
Shenzhen Grande Electronic Co., Ltd logo
E-mail us for a Quote:
sales88@greattong.com
Call us now:
+86-755-83261869

How does directional relay measure the direction of current flow in AC current?

2019-04-19

Directional relay consists of phase sequence detector, phase sequence automatic corrector, corrected signal amplifier and execution unit which indicates it is still able to measure the direction of current flow even in AC circuit.

READ MORE

What are the advantages of having a solid ground region on a PCB?

2019-04-19

A solid ground has a dual function, including increasing current and shielding interference.

READ MORE

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.

READ MORE

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.

READ MORE

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

READ MORE

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;

READ MORE

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~

READ MORE

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

READ MORE

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.

READ MORE

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)

READ MORE
Home About Us Services Quality Pb-Free News Contact Us


Copyright ® 2017,Shenzhen Grande Electronic Co., Ltd. All Rights Reserved. 中文站 Sitemap