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How do you solder electronic components?

2019-07-25

1. Preparing the PCB and the components that need to be soldered; 2. Choosing the soldering tools and preparing the solder and flux; 3. Mastering soldering technology (soldering basic method + soldering quality control).

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Why do we make cutouts and slots in the PCB board?

2019-07-25

1. Structure and installation requirements; 2. To prevent the high-voltage components and near the low-voltage components on the PCB from being fired; 3. Adding the thermal pad by slotting, then it doesn’t need to consider electrical Safety requirem

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Do ESD damaged PCBs ever look burnt?

2019-07-24

Static electricity from human body, environment and even electronic devices inside is able to cause various damages to those delicate semiconductor chips.

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Which has better PCB thermal conductivity performance, ceramic PCB or metal PCB?

2019-07-24

Ceramic PCB is better. Due to ceramic board itself has pretty good insulativity, which means that it doesn’t need an extra insulating layer so that the thermal conductivity of ceramic PCB is much better than aluminum PCB (metal core PCB).

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What is the difference between an inductive load and a capacitive load?

2019-07-23

Inductive load: Allowing current to flow, and it can store energy in the inductor. The current lags behind the voltage; Capacitive load: Preventing current from flowing, and it can also store energy in the capacitor. The current is ahead of the voltage

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What is the function of resistors in the PCB board?

2019-07-23

Resistance is the most used component in all electronic circuits and whose main physical characteristic that is the conversion of electrical energy to thermal energy. It can also be said to be an energy-consuming component on account of generating heat af

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What is the ball grid array (BGA) in printed circuit boards (PCBs)?

2019-07-22

BGA (Ball Grid Array) is a type of surface mount component packaging which is used for integrated circuit; And many functional chips adopt BGA such a packaging like CPU, DDR, ARM, DSP, FPGA, CPLD, etc.

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What is the function of capacitors in circuits?

2019-07-22

You know, the basic function of the capacitor that is “blocking DC current but passing AC current”, which is why the capacitor is usually used in the circuit to separate DC current and let the AC current signal pass. Thus, capacitors, in the filter circui

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What is the difference among PCB, IC, OP AMP and chip?

2019-07-20

1. Operational amplifier (OP AMP ) is a circuit unit with a pretty high amplification factor, a building block for analog circuits like comparators, summing and difference amplifiers, filters, integrators, differentiators, and which has special operationa

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What is a PCB prototype?

2019-07-19

PCB prototyping is to manufacture a real circuit board from a designed PCB. And the main intention of prototyping is to not only test the concept and functionality of the design, but also perfect and grow it stage by stage, limiting final fabrication fail

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