judith

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So far judith has created 962 blog entries.

Time base circuit 555 various application circuits

Time base circuit 555 various application circuits The 555 touch timing switch IC 1 is a 555 timing circuit, which is connected to a monostable circuit here. Normally, because there is no induction voltage at the P end of the touch pad, the capacitance C1 is discharged through the 7th foot of 555, the third [...]

2024-03-20T13:21:36+00:00March 29th, 2021|

Analysis of circuit board market in 2021

The market analysis report of circuit board industry is an analysis of the market scale, market competition, regional market, market trend and attraction scope of circuit board industry. It means to analyze and judge whether the products of circuit board industry have a market in a limited time according to the market environment, competitiveness and [...]

2024-03-20T13:21:36+00:00March 29th, 2021|

How to carry out the anti-interference design of circuit board?

The basic task of anti-interference design is that the system or device will not malfunction or lose function due to the influence of external electromagnetic interference, and will not send excessive noise interference to the outside world, so as not to affect the normal operation of other systems or devices. Therefore, improving the anti-interference ability [...]

2024-03-20T13:21:36+00:00March 27th, 2021|

Development status and Prospect Analysis of printed circuit board (PCB) industry in 2020

Circuit board is the most active industry in the modern electronic components industry, and its industry growth rate is generally higher than that of electronic component industry by about 3 percentage points. From the development form, China's circuit board industry continues to grow at a high speed, and import and export have also achieved high-speed [...]

2024-03-20T13:21:36+00:00March 27th, 2021|

Introduction to process and purpose of PCB Factory Inspection

1. Communication between purchasing staff and suppliers Explain in advance the inspection time, personnel composition, and the matters that need the cooperation of the circuit board factory in the inspection process. Some regular enterprises need PCB manufacturers to provide their basic information before factory inspection, such as business license, tax registration, Bank of deposit, etc., [...]

2024-03-20T13:21:36+00:00March 20th, 2021|

The classification, function and working principle of diodes

We all know that diodes are very small, some are as small as needles, but they are very useful, The application fields are also very wide. Diodes are used in LED lights, electronic appliances, train and car electronic system components, circuit boards and so on. What are the classification, functions and working principles of diodes? [...]

2021-03-20T02:42:39+00:00March 20th, 2021|

Can I repair the broken circuit board? Why?

The circuit board is broken. It can be repaired basically If there is only visible component damage, replace the component. If the circuit board is broken, and the circuit board can't see any damage, we should check the working conditions of each part according to the circuit diagram, and use the universal meter to check [...]

2024-03-20T13:21:36+00:00March 20th, 2021|

The circuit board industry should pay attention to the use of automatic welding robot equipment

Automatic soldering machine has been widely used in the circuit board soldering industry, it improves the actual soldering efficiency, product consistency to a large extent, improve people's living consumption level, and put forward a higher level of consumer demand for product quality. In order to meet the market requirements, manufacturers should increase the product quality [...]

2021-01-30T01:49:58+00:00January 30th, 2021|

With it, “FPC flexible circuit board performance test”, it turned out to be so simple

PC flexible circuit board with wiring of high density, light weight, thin thickness, good bending property characteristics, widely used in smart phones, FPC flexible circuit board of the smart phone is mainly used for the connection parts and motherboard, display module, fingerprint module, camera module, antenna, vibrator, etc., as the camera to three, four taken [...]

2024-03-20T13:21:36+00:00January 30th, 2021|
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