judith

About judith

This author has not yet filled in any details.
So far judith has created 975 blog entries.

Why is laser equipment the Savior of PCB processing industry?

Why is laser equipment the Savior of PCB processing industry? Circuit board is an indispensable part of 3C industry. It is an important component carrier and line connection carrier. In this era of rapid development, efficiency has become particularly important. In industrial manufacturing, laser cutting machine has undoubtedly become the representative of efficient tools. China's [...]

2024-03-20T13:21:34+00:00September 6th, 2021|

With the rapid development of PCB, PCB manufacturers need to face problems and challenges

As a bridge carrying electronic components and connecting circuits, circuit board is the basic component of almost all electronic products and plays a key role in the quality and performance of electronic products. Electronic circuit board is also developing steadily in the demand of the rapid development of domestic electronic equipment. So what problems will [...]

2024-03-20T13:21:34+00:00September 6th, 2021|

How to see the circuit direction of the circuit board

Circuit board can also be called printed circuit board or printed circuit board. The function of circuit board is to miniaturize and visualize the circuit, and plays an important role in the mass production of fixed circuit and optimizing the layout of electrical appliances. So how do circuit boards look at the direction of the [...]

2021-09-06T02:05:13+00:00September 6th, 2021|

PCB design experience: do you know the important 3W principle in PCB design?

1、 Foreword In PCB design, crosstalk generated by strong interference signal lines and signal lines sensitive to interference will exist between routing lines. This adverse effect is not only related to clock or periodic signals, but also affects other important routing, data lines, address lines, control lines and IO in the system. Most of the [...]

2024-03-20T13:21:34+00:00September 6th, 2021|

Four points for attention in selecting PCB manufacturing company

When selecting a circuit board manufacturing company, professional manufacturers should be selected through comprehensive comparison. The circuit boards produced by professional manufacturers are more affordable, have strong quality guarantee, and are relatively more guaranteed after-sales; Therefore, choosing an enterprise with strong PCB batch production service capacity is obviously less risky. The following small series will [...]

2021-09-06T01:39:53+00:00September 6th, 2021|

The ultimate method of circuit board short circuit detection

I believe that friends who have repaired more circuit boards must have encountered a short circuit of public power supply. In most cases, when you use a multimeter to test the resistance value between a power supply voltage of the circuit board and the ground, the display is very small, tens of ohms, a few [...]

2024-03-20T13:21:34+00:00September 6th, 2021|

PCB design skills: seven steps to determine PCB layout and wiring

PCB (printed circuit board), also known as printed circuit board and printed circuit board in Chinese, is an important electronic component, the support of electronic components and the provider of electrical connection of electronic components. Because it is made by electronic printing, it is called "printed" circuit board. With the smaller and smaller requirements of [...]

2021-09-06T01:30:42+00:00September 6th, 2021|

Reset circuit

1. Pay attention to reset when there are large-scale integrated circuits on the circuit board to be repaired 2. Before the test, it is best to install the equipment back, turn on and off the machine repeatedly, and press the reset key several times 3、 Function and parameter test 1. < tester > the detection [...]

2024-03-20T13:21:34+00:00August 30th, 2021|

Chip with program

1. EPROM chip should not be damaged generally. Because this chip needs ultraviolet light to erase the program, it will not be damaged in the test WiFi microscope for circuit board detection WiFi microscope for circuit board detection Preface. But there is information introduction: due to the materials used to make the chip, it may [...]

2021-08-30T01:24:33+00:00August 30th, 2021|

Flexible waterproof casing has different process structures

Flexible waterproof casing - rigid waterproof casing - process and appearance The rigid waterproof sleeve is the main body of the steel pipe plus wing ring and sleeve. The ring made of steel plate is sleeved on the steel pipe and installed in the wall. It is mostly concrete wall, which is used for general [...]

2021-08-30T01:18:03+00:00August 30th, 2021|
Go to Top