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How does one find a short circuit on a circuit board?

2019-06-19

You know, short circuit on a circuit board, which means where there should be resistance in a part of the circuit, there is no resistance, or resistance shows as zero.

Can FPGA replace CPU in the future?

2019-06-19

Not really. You know what? Unlike CPU, FPGA is actually not able to flexibly process all kinds of unfamiliar instructions. In other words, it can only process input data and output data according to a fixed mode.

How do I calculate PCB trace max current?

2019-06-18

In general, PCB copper thickness is 1oz or so; As for trace width, 1mm is able to flow through 1A current; And 2mm can flow through 2A current.

How do we reduce a PCB costs to a reasonable consumer price?

2019-06-18

1. The size of single board should be as small as possible with as few layers as possible. Just because the price of PCB is generally calculated according to the size of area, number of layers and production process demands; 2. It is better to select a

What is impedance? What is the relation between resistance and impedance?

2019-06-17

What is meant by impedance? why it is called so ? Impedance exists in a circuit with resistors, inductors and capacitors, whose block function to the current of the circuit that is called impedance; what is the relation between resistance and impeda

Why should a circuit have low output impedance and high input impedance?

2019-06-17

You know, high input impedance actually means that the circuit absorbs less power from the power source (or the output of the previous circuit), which is allowing the power source or the previous stage to carry more loads. There is no doubt that it wou

What is the symbol for direct current?

2019-06-13

•Direct current: DC; Symbol: “-” •Alternating current: AC; Symbol: “~”

What is the difference between a relay and a fuse and a circuit breaker?

2019-06-12

Relay: As the bimetal deformation reaches a certain distance, the control circuit will be disconnected so that the contactor is about to lose power and the main circuit is also disconnected, that is how a relay realizes overload protection to the motor.

What are all the things printed circuit boards are used for?

2019-06-12

Printed Circuit Board is also known as PCB, which acts as the electrical connection provider for those electronic components. In addition, PCB is widely used in a variety of electronic and electrical devices such as TV, mobile phone, fridge, robot, record

What are electronic applications where the PCB is hard to design and layout?

2019-06-11

When it comes to the hard parts in PCB design and layout, as far as I am concerned, that is: PCB Design: The protocol between CPU and processing chip is the most difficult part in the hardware development; PCB Layout: It’s a huge challenge to layout

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