Archive
-
Why are there always two capacitors in circuit 0.1uF and 0.01uF?
Archive1. Traversal and separation The two concepts of Bypass Capacitor and Decoupling Capacitor are common in circuits, but not easy to understand. To understand these two words, you need to go back to English context. Bypass means dr...
2023-03-18【Archive】
View -
Explain PCB copy process in detail, it's amazing
ArchiveThe technical process for implementing a copy PCB board is to simply scan PCB for copying, record detailed location of components, and then remove components to make a BOM and organize material procurement. scanned to an image and...
2023-03-18【Archive】
View -
Why are circuit boards mostly green? See what these 20+ engineers have to say
ArchiveWhy are circuit boards mostly green? This is a detail that power engineers rarely think about. Today on Zhihu, I saw that more than 20 engineers gave some answers. Let's see what each engineer said. Point 1 It is mainly coated wi...
2023-03-18【Archive】
View -
7 things you need to know about high-speed linking and routing
ArchiveWhat knowledge and skills should engineers have when designing high-speed circuits? Below is a detailed description of seven technical aspects to answer them one by one. 01 Power Supply Diagram and Wiring Digital circuits ofte...
2023-03-18【Archive】
View -
Under what circumstances will there be 220 V between neutral line and ground line?
ArchiveThe three ends of live wire, neutral wire and ground wire are called phase wires, and three ends of three-phase electricity are connected together and are called neutral wires, also called "neutral wires". The reason it is called ...
2023-03-18【Archive】
View -
"Clear at a glance" inside power supply
ArchiveThe power supply does not look like a processor, you can see specifications and performance; power supply is not like a video card, class is determined by key GPU. In addition to power requirements, a good power supply must al...
2023-03-18【Archive】
View -
Why can't crystal oscillator be placed on edge of the PCB?
Archive01 Problem description For driving recorder, you need to add an external adapter during test, and it was found to exceed standard when car is turned on and tested. Radiation test data is as follows: 02 Emission source analysis...
2023-03-18【Archive】
View -
Why can't copper and aluminum wires be twisted together when wiring?
ArchiveBriefly about advantages and disadvantages of copper and aluminum wire: With same area, load on copper wire is greater than on aluminum one. Copper wire is more flexible than aluminum wire. Copper wire has a lower resistivity than...
2023-03-18【Archive】
View -
Diodes, triodes, MOS tubes, commonly used physical package map (including exact dimensions)
ArchiveElectronic components have different types of packaging. Although different types of components have a similar appearance, their internal structure and use are very different. For example, TO220 package components can be triodes,...
2023-03-18【Archive】
View -
Why do LED bulbs get dimmer the more they are used? Why is it flickering?
ArchiveNow production of LED fixtures must first go through careful computer programming, make light panels, and then enter assembly line of assembly shop. We won't go into details. Everyone has this life experience The LED bulbs I j...
2023-03-18【Archive】
View
Hot Posts
- What is drowning in gold? Why Shen Jin?
- This is a metaphor for EMI/EMS/EMC that can be understood at a glance.
- How many types of pads have you seen in PCB design?
- Summary of Common PCB Repair Techniques
- What is three anti-paint? How to use it correctly?
- Knowing these rules, you will not get confused looking at circuit diagram.
- How to make anti-interference PCB design?
- Can diodes do this?