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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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How can I make PCB small in a size (layout approach)?

2019-07-19

In fact, what we should do that is ensuring the components layout is reasonable and compact, and the routing channel is fully utilized, which is also the minimum difference between a veteran and a newbie.

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What is difference between relay and sensor while both are sensing devices?

2019-07-18

A relay is an electrically operated switch. And relay is used where it is necessary to control a circuit by a separate low-power signal, or where several circuits must be controlled by one signal. A sensor is a device, module, or subsystem whose purpos

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What is the difference between zero PCB and general purpose PCB?

2019-07-18

Zero PCB is used for experimentation (cannot be mass-produced or sold to the users). And bonding wires are available except there is no specific circuit connection; General purpose PCB means a finished circuit board with a certain electrical connection

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Why do electronics use so many resistors?

2019-07-17

As you probably know, the resistor is mainly used to limit current, shunt voltage, shunt current, generate heat, and be level shorting;

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Is the Arduino good for electronics?

2019-07-17

Absolutely! Arduino is able to use the existing electronic components such as switches, sensors or other control devices, LEDs, stepper motors or other output devices.

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How do I waterproof electronic circuits?

2019-07-16

There are mainly two ways to waterproof electronics circuits: 1.Resin potting; 2.Surface coating- Waterproof adhensive.

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