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What is GPS PCBA?
GPS PCBA: GPS solution / GPS module / GPS Navigator / OEM & ODM

2018 12/14
Where can I order cheap dual sided PCB?
I guess, the circuit board factory of Pearl River Delta in China should be your best choice. Meanwhile, I strongly recommend Shenzhen Grande, a professional PCBA Manufacturer in Shenzhen. I believe, it will definately offer high quality with competitive price in terms of double-sided circuit board.

2018 12/14
How can we get a small custom electronic device designed and manufactured?
To get a small custom electronic device designed and manufactured, the good way that is you should look for the corresponding professional ODM and OEM one-stop professional platform. No doubt, it can not only save your time but also improve your working efficiency. Sure, the most important is that you will get the custom product what you want.

2018 12/14
Can you plug an electric kettle and a refrigerator on the same circuit?
1)You`d better have a single line for the refrigerator instead of sharing a line with other electrical appliances. Although the refrigerator power is small, due to it starts up frequently and the starting current is high. If it shares the same circuit with other electrical appliances, which may cause the other appliances to lose their power instantaneously. In addition, it will shorten the life of the appliances if you plug it for a long term. 2)Sure, considering the electric kettle is a type of pure resistance electrical appliance. If you still want to plug an electric kettle and a refrigerator on the same circuit, we suggest that the power of electric kettle should not exceed 1500 w.

2018 12/14
How do I check a passive and active components for short circuit on a PCB board?
Generally speaking, multimeter is used to measure the resistance of passive and active components, which is quite helpful to check the short circuit on a PCB board.

2018 12/14
How can change AC 220 v to DC 200 or 220 v?
Using a Full Bridge Rectifier with a Voltage Stabilizing Circuit, then you can change AC 220 v to DC 200 or 220 v.

2018 12/14
Can your handheld electronic device be more powerful than a PC, How?
Well, it still depends on science and technology innovation, which leading the industry. Sure, you can specialized in relevant certain field, such as: Handheld Terminal Reading and Writing Device, RFID (Radio Frequency Identification) and so on.

2018 12/14
What do you call a switch which returns to the initial position after each click
It should be a Self-Locking Switch, which is also called latching push button switch. Actually they are different.

2018 12/14
What do you do if you can't find a charger?
There are three different options for your reference: 1) If you don`t need use it for the time being. Then keep looking it for, borrowing or buying a new one; 2) If you have data wire, you can try to find a USB interface; 3) DIY Charger.

2018 12/14
What's the application of the PCB cutting machine?
The PCB cutting machine is used to cut PCB. BTW, the new PCB cutting machine equipment is composed of laser optical system, mechanical transmission system, electronic control system and auxiliary system.

2018 12/14
What is the difference between frequency and amplitude?
The difference between frequency and amplitude: Frequency is the number of vibrations per unit time, and Amplitude is the magnitude of the vibration.

2018 12/14
Why, in PCB technology, is the board made out of semiconductors?
As we all know, the circuit board is not only an important electronic part, but also the support of electronic components and the carrier for electrical connection of electronic components. Meanwhile, there are a lot applications of monocrystalline silicon materials in semiconductor materials. That`s to say, if a large number of transistor, diodes other components and connecting wires are made directly on a single silicon material, which can form the integrated circuit.

2018 12/14
How is the voltmeter and ammeter connected in a circuit?
The voltmeter is connected in parallel in a circuit, while the ammeter is in series in a circuit.

2018 12/14
What could be the reasons for missing components on a PCBA after the SMT process
The reason why missing components on a PCBA after the SMT process: 1)The stencil is not so clean, which lead to the solder paste doesn`t work well; 2)The quality of solder paste is not good; 3)SMT equipment is old and aged; 4)Other external forces.

2018 12/07
What software can read PCB specifications from a Gerber file?
For different types of Gerber file, you can try to choose AutoCAD or Protel.

2018 12/07
Which are the aerospace manufacturing companies in world?
The aerospace manufacturing companies in world: 1)GE (General Electric Company) 2)BOEING 3)Airbus 4)UTC (United Technologies Corporation) 5)AVIC (China Aviation Industry Group Corporation) 6)Mitsubishi Heavy Industries (Japan)

2018 12/07
What is the simplest way to build a DC circuit from scratch?
The simplest way to build a DC circuit from scratch: Battery + Switch+ Load For example, a flashlight with a dry battery also builds a DC circuit.

2018 12/07
What are the advantages of transformers?
The advantages (functions) of transformers: 1)Voltage change; 2)Current transformation; 3)Impedance conversion; 4)Current isolation, 5)Voltage stabilization.

2018 12/07
When is there no current flow in an AC generator?
As long as the induced electric potential of stator is not closed, there is no induced current flow in an AC generator.

2018 12/07
What is the purpose of laminating an iron core in transformers?
The purpose of laminating an iron core in transformers: 1)Reducing the formation of Eddy current in the Iron Core; 2)Increasing the resistance of Iron Core; 3)Reducing electric energy convert into internal energy of Iron Core. 4)Improving transformer efficiency

2018 12/07

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